Home / 129,652.04-178,800.91-88,875.43

Finding the Fourth Proportional to 129,652.04, 178,800.91 and 88,875.43

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Solution

The fourth proportional to 129,652.04, 178,800.91 and 88,875.43 is: 122,566.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,652.04 : 178,800.91 = 88,875.43 : x
  2. Step 2: Convert to fraction form
    129,652.04/178,800.91 = 88,875.43/x
  3. Step 3: Cross multiply
    129,652.04x = 178,800.91 × 88,875.43
  4. Step 4: Simplify right side
    129,652.04x = 15,891,007,091.45
  5. Step 5: Solve for x
    x = 15,891,007,091.45/129,652.04
  6. Step 6: Final answer
    x = 122,566.58

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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.