Home / 144,174.06-216,001.89-87,984.90

Finding the Fourth Proportional to 144,174.06, 216,001.89 and 87,984.90

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Solution

The fourth proportional to 144,174.06, 216,001.89 and 87,984.90 is: 131,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,174.06 : 216,001.89 = 87,984.90 : x
  2. Step 2: Convert to fraction form
    144,174.06/216,001.89 = 87,984.90/x
  3. Step 3: Cross multiply
    144,174.06x = 216,001.89 × 87,984.90
  4. Step 4: Simplify right side
    144,174.06x = 19,004,904,691.46
  5. Step 5: Solve for x
    x = 19,004,904,691.46/144,174.06
  6. Step 6: Final answer
    x = 131,819.17

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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.