Home / 172,896-259,344-56,160

Finding the Fourth Proportional to 172,896, 259,344 and 56,160

Calculator

Solution

The fourth proportional to 172,896, 259,344 and 56,160 is: 84,240

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,896 : 259,344 = 56,160 : x
  2. Step 2: Convert to fraction form
    172,896/259,344 = 56,160/x
  3. Step 3: Cross multiply
    172,896x = 259,344 × 56,160
  4. Step 4: Simplify right side
    172,896x = 14,564,759,040
  5. Step 5: Solve for x
    x = 14,564,759,040/172,896
  6. Step 6: Final answer
    x = 84,240

Related Problems

Find fourth proportional to 86,448, 129,672 and 28,080
Half scale
Find fourth proportional to 345,792, 518,688 and 112,320
Double scale
Find fourth proportional to 172,897, 259,345.50 and 56,161
Similar ratio
Find fourth proportional to 259,344, 389,016 and 84,240
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.