Home / 132,192.07-198,288.10-38,697.82

Finding the Fourth Proportional to 132,192.07, 198,288.10 and 38,697.82

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Solution

The fourth proportional to 132,192.07, 198,288.10 and 38,697.82 is: 58,046.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,192.07 : 198,288.10 = 38,697.82 : x
  2. Step 2: Convert to fraction form
    132,192.07/198,288.10 = 38,697.82/x
  3. Step 3: Cross multiply
    132,192.07x = 198,288.10 × 38,697.82
  4. Step 4: Simplify right side
    132,192.07x = 7,673,316,754.59
  5. Step 5: Solve for x
    x = 7,673,316,754.59/132,192.07
  6. Step 6: Final answer
    x = 58,046.73

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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.