Home / 150,942.38-208,140.89-126,726.65

Finding the Fourth Proportional to 150,942.38, 208,140.89 and 126,726.65

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Solution

The fourth proportional to 150,942.38, 208,140.89 and 126,726.65 is: 174,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,942.38 : 208,140.89 = 126,726.65 : x
  2. Step 2: Convert to fraction form
    150,942.38/208,140.89 = 126,726.65/x
  3. Step 3: Cross multiply
    150,942.38x = 208,140.89 × 126,726.65
  4. Step 4: Simplify right side
    150,942.38x = 26,376,996,043.38
  5. Step 5: Solve for x
    x = 26,376,996,043.38/150,942.38
  6. Step 6: Final answer
    x = 174,748.78

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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.