Home / 129,265.04-178,325.88-75,552.32

Finding the Fourth Proportional to 129,265.04, 178,325.88 and 75,552.32

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Solution

The fourth proportional to 129,265.04, 178,325.88 and 75,552.32 is: 104,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,265.04 : 178,325.88 = 75,552.32 : x
  2. Step 2: Convert to fraction form
    129,265.04/178,325.88 = 75,552.32/x
  3. Step 3: Cross multiply
    129,265.04x = 178,325.88 × 75,552.32
  4. Step 4: Simplify right side
    129,265.04x = 13,472,933,950.04
  5. Step 5: Solve for x
    x = 13,472,933,950.04/129,265.04
  6. Step 6: Final answer
    x = 104,227.21

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1.5x scale

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.