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Finding the Fourth Proportional to 133,700.48, 200,253.74 and 95,678.92

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Solution

The fourth proportional to 133,700.48, 200,253.74 and 95,678.92 is: 143,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,700.48 : 200,253.74 = 95,678.92 : x
  2. Step 2: Convert to fraction form
    133,700.48/200,253.74 = 95,678.92/x
  3. Step 3: Cross multiply
    133,700.48x = 200,253.74 × 95,678.92
  4. Step 4: Simplify right side
    133,700.48x = 19,160,061,569.16
  5. Step 5: Solve for x
    x = 19,160,061,569.16/133,700.48
  6. Step 6: Final answer
    x = 143,305.85

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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.