Home / 134,239.50-200,921.12-98,691.42

Finding the Fourth Proportional to 134,239.50, 200,921.12 and 98,691.42

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Solution

The fourth proportional to 134,239.50, 200,921.12 and 98,691.42 is: 147,715.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,239.50 : 200,921.12 = 98,691.42 : x
  2. Step 2: Convert to fraction form
    134,239.50/200,921.12 = 98,691.42/x
  3. Step 3: Cross multiply
    134,239.50x = 200,921.12 × 98,691.42
  4. Step 4: Simplify right side
    134,239.50x = 19,829,190,640.79
  5. Step 5: Solve for x
    x = 19,829,190,640.79/134,239.50
  6. Step 6: Final answer
    x = 147,715.02

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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.