Home / 101,304.28-151,962.90-38,974.78

Finding the Fourth Proportional to 101,304.28, 151,962.90 and 38,974.78

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Solution

The fourth proportional to 101,304.28, 151,962.90 and 38,974.78 is: 58,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,304.28 : 151,962.90 = 38,974.78 : x
  2. Step 2: Convert to fraction form
    101,304.28/151,962.90 = 38,974.78/x
  3. Step 3: Cross multiply
    101,304.28x = 151,962.90 × 38,974.78
  4. Step 4: Simplify right side
    101,304.28x = 5,922,720,595.66
  5. Step 5: Solve for x
    x = 5,922,720,595.66/101,304.28
  6. Step 6: Final answer
    x = 58,464.66

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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.