Home / 102,572.22-153,753.21-39,375.30

Finding the Fourth Proportional to 102,572.22, 153,753.21 and 39,375.30

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Solution

The fourth proportional to 102,572.22, 153,753.21 and 39,375.30 is: 59,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,572.22 : 153,753.21 = 39,375.30 : x
  2. Step 2: Convert to fraction form
    102,572.22/153,753.21 = 39,375.30/x
  3. Step 3: Cross multiply
    102,572.22x = 153,753.21 × 39,375.30
  4. Step 4: Simplify right side
    102,572.22x = 6,054,078,769.71
  5. Step 5: Solve for x
    x = 6,054,078,769.71/102,572.22
  6. Step 6: Final answer
    x = 59,022.60

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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.