Home / 101,393.28-152,089.92-42,211.44

Finding the Fourth Proportional to 101,393.28, 152,089.92 and 42,211.44

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Solution

The fourth proportional to 101,393.28, 152,089.92 and 42,211.44 is: 63,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,393.28 : 152,089.92 = 42,211.44 : x
  2. Step 2: Convert to fraction form
    101,393.28/152,089.92 = 42,211.44/x
  3. Step 3: Cross multiply
    101,393.28x = 152,089.92 × 42,211.44
  4. Step 4: Simplify right side
    101,393.28x = 6,419,934,532.68
  5. Step 5: Solve for x
    x = 6,419,934,532.68/101,393.28
  6. Step 6: Final answer
    x = 63,317.16

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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.