Home / 139,947.32-209,928.27-40,098.04

Finding the Fourth Proportional to 139,947.32, 209,928.27 and 40,098.04

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Solution

The fourth proportional to 139,947.32, 209,928.27 and 40,098.04 is: 60,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,947.32 : 209,928.27 = 40,098.04 : x
  2. Step 2: Convert to fraction form
    139,947.32/209,928.27 = 40,098.04/x
  3. Step 3: Cross multiply
    139,947.32x = 209,928.27 × 40,098.04
  4. Step 4: Simplify right side
    139,947.32x = 8,417,712,167.59
  5. Step 5: Solve for x
    x = 8,417,712,167.59/139,947.32
  6. Step 6: Final answer
    x = 60,149.15

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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.