Home / 131,785.28-181,781.92-97,294.77

Finding the Fourth Proportional to 131,785.28, 181,781.92 and 97,294.77

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Solution

The fourth proportional to 131,785.28, 181,781.92 and 97,294.77 is: 134,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,785.28 : 181,781.92 = 97,294.77 : x
  2. Step 2: Convert to fraction form
    131,785.28/181,781.92 = 97,294.77/x
  3. Step 3: Cross multiply
    131,785.28x = 181,781.92 × 97,294.77
  4. Step 4: Simplify right side
    131,785.28x = 17,686,430,218.18
  5. Step 5: Solve for x
    x = 17,686,430,218.18/131,785.28
  6. Step 6: Final answer
    x = 134,206.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.