Home / 133,146.92-183,658.38-101,245.88

Finding the Fourth Proportional to 133,146.92, 183,658.38 and 101,245.88

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Solution

The fourth proportional to 133,146.92, 183,658.38 and 101,245.88 is: 139,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,146.92 : 183,658.38 = 101,245.88 : x
  2. Step 2: Convert to fraction form
    133,146.92/183,658.38 = 101,245.88/x
  3. Step 3: Cross multiply
    133,146.92x = 183,658.38 × 101,245.88
  4. Step 4: Simplify right side
    133,146.92x = 18,594,654,302.47
  5. Step 5: Solve for x
    x = 18,594,654,302.47/133,146.92
  6. Step 6: Final answer
    x = 139,655.16

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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.