Home / 103,528.32-142,876.80-58,211.52

Finding the Fourth Proportional to 103,528.32, 142,876.80 and 58,211.52

Calculator

Solution

The fourth proportional to 103,528.32, 142,876.80 and 58,211.52 is: 80,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,528.32 : 142,876.80 = 58,211.52 : x
  2. Step 2: Convert to fraction form
    103,528.32/142,876.80 = 58,211.52/x
  3. Step 3: Cross multiply
    103,528.32x = 142,876.80 × 58,211.52
  4. Step 4: Simplify right side
    103,528.32x = 8,317,075,700.74
  5. Step 5: Solve for x
    x = 8,317,075,700.74/103,528.32
  6. Step 6: Final answer
    x = 80,336.24

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.