Home / 99,713.52-149,572.40-40,508.39

Finding the Fourth Proportional to 99,713.52, 149,572.40 and 40,508.39

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Solution

The fourth proportional to 99,713.52, 149,572.40 and 40,508.39 is: 60,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,713.52 : 149,572.40 = 40,508.39 : x
  2. Step 2: Convert to fraction form
    99,713.52/149,572.40 = 40,508.39/x
  3. Step 3: Cross multiply
    99,713.52x = 149,572.40 × 40,508.39
  4. Step 4: Simplify right side
    99,713.52x = 6,058,936,162.03
  5. Step 5: Solve for x
    x = 6,058,936,162.03/99,713.52
  6. Step 6: Final answer
    x = 60,763.44

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1.5x scale

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.