Home / 153,247.38-229,871.06-42,439.38

Finding the Fourth Proportional to 153,247.38, 229,871.06 and 42,439.38

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Solution

The fourth proportional to 153,247.38, 229,871.06 and 42,439.38 is: 63,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,247.38 : 229,871.06 = 42,439.38 : x
  2. Step 2: Convert to fraction form
    153,247.38/229,871.06 = 42,439.38/x
  3. Step 3: Cross multiply
    153,247.38x = 229,871.06 × 42,439.38
  4. Step 4: Simplify right side
    153,247.38x = 9,755,585,266.34
  5. Step 5: Solve for x
    x = 9,755,585,266.34/153,247.38
  6. Step 6: Final answer
    x = 63,659.07

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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.