Home / 131,760.72-197,660.34-38,254.32

Finding the Fourth Proportional to 131,760.72, 197,660.34 and 38,254.32

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Solution

The fourth proportional to 131,760.72, 197,660.34 and 38,254.32 is: 57,387.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,760.72 : 197,660.34 = 38,254.32 : x
  2. Step 2: Convert to fraction form
    131,760.72/197,660.34 = 38,254.32/x
  3. Step 3: Cross multiply
    131,760.72x = 197,660.34 × 38,254.32
  4. Step 4: Simplify right side
    131,760.72x = 7,561,361,897.67
  5. Step 5: Solve for x
    x = 7,561,361,897.67/131,760.72
  6. Step 6: Final answer
    x = 57,387.07

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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.