Home / 316,128.92-474,251.87-100,042.06

Finding the Fourth Proportional to 316,128.92, 474,251.87 and 100,042.06

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Solution

The fourth proportional to 316,128.92, 474,251.87 and 100,042.06 is: 150,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,128.92 : 474,251.87 = 100,042.06 : x
  2. Step 2: Convert to fraction form
    316,128.92/474,251.87 = 100,042.06/x
  3. Step 3: Cross multiply
    316,128.92x = 474,251.87 × 100,042.06
  4. Step 4: Simplify right side
    316,128.92x = 47,445,134,033.65
  5. Step 5: Solve for x
    x = 47,445,134,033.65/316,128.92
  6. Step 6: Final answer
    x = 150,081.60

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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.