Home / 129,718-194,577-31,222

Finding the Fourth Proportional to 129,718, 194,577 and 31,222

Calculator

Solution

The fourth proportional to 129,718, 194,577 and 31,222 is: 46,833

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,718 : 194,577 = 31,222 : x
  2. Step 2: Convert to fraction form
    129,718/194,577 = 31,222/x
  3. Step 3: Cross multiply
    129,718x = 194,577 × 31,222
  4. Step 4: Simplify right side
    129,718x = 6,075,083,094
  5. Step 5: Solve for x
    x = 6,075,083,094/129,718
  6. Step 6: Final answer
    x = 46,833

Related Problems

Find fourth proportional to 64,859, 97,288.50 and 15,611
Half scale
Find fourth proportional to 259,436, 389,154 and 62,444
Double scale
Find fourth proportional to 129,719, 194,578.50 and 31,223
Similar ratio
Find fourth proportional to 194,577, 291,865.50 and 46,833
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.