Home / 131,727.60-197,610.72-38,221.20

Finding the Fourth Proportional to 131,727.60, 197,610.72 and 38,221.20

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Solution

The fourth proportional to 131,727.60, 197,610.72 and 38,221.20 is: 57,337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,727.60 : 197,610.72 = 38,221.20 : x
  2. Step 2: Convert to fraction form
    131,727.60/197,610.72 = 38,221.20/x
  3. Step 3: Cross multiply
    131,727.60x = 197,610.72 × 38,221.20
  4. Step 4: Simplify right side
    131,727.60x = 7,552,918,851.26
  5. Step 5: Solve for x
    x = 7,552,918,851.26/131,727.60
  6. Step 6: Final answer
    x = 57,337.41

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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.