Home / 129,207.30-193,373.55-113,460.90

Finding the Fourth Proportional to 129,207.30, 193,373.55 and 113,460.90

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Solution

The fourth proportional to 129,207.30, 193,373.55 and 113,460.90 is: 169,807.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,207.30 : 193,373.55 = 113,460.90 : x
  2. Step 2: Convert to fraction form
    129,207.30/193,373.55 = 113,460.90/x
  3. Step 3: Cross multiply
    129,207.30x = 193,373.55 × 113,460.90
  4. Step 4: Simplify right side
    129,207.30x = 21,940,337,019.20
  5. Step 5: Solve for x
    x = 21,940,337,019.20/129,207.30
  6. Step 6: Final answer
    x = 169,807.26

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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.