Home / 131,432.90-197,149.41-36,659.25

Finding the Fourth Proportional to 131,432.90, 197,149.41 and 36,659.25

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Solution

The fourth proportional to 131,432.90, 197,149.41 and 36,659.25 is: 54,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,432.90 : 197,149.41 = 36,659.25 : x
  2. Step 2: Convert to fraction form
    131,432.90/197,149.41 = 36,659.25/x
  3. Step 3: Cross multiply
    131,432.90x = 197,149.41 × 36,659.25
  4. Step 4: Simplify right side
    131,432.90x = 7,227,349,508.54
  5. Step 5: Solve for x
    x = 7,227,349,508.54/131,432.90
  6. Step 6: Final answer
    x = 54,988.89

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1.5x scale

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.