Home / 131,565.90-197,381.25-38,081.10

Finding the Fourth Proportional to 131,565.90, 197,381.25 and 38,081.10

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Solution

The fourth proportional to 131,565.90, 197,381.25 and 38,081.10 is: 57,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,565.90 : 197,381.25 = 38,081.10 : x
  2. Step 2: Convert to fraction form
    131,565.90/197,381.25 = 38,081.10/x
  3. Step 3: Cross multiply
    131,565.90x = 197,381.25 × 38,081.10
  4. Step 4: Simplify right side
    131,565.90x = 7,516,495,119.38
  5. Step 5: Solve for x
    x = 7,516,495,119.38/131,565.90
  6. Step 6: Final answer
    x = 57,131.03

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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.