Home / 147,909.92-221,206.08-131,377.28

Finding the Fourth Proportional to 147,909.92, 221,206.08 and 131,377.28

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Solution

The fourth proportional to 147,909.92, 221,206.08 and 131,377.28 is: 196,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,909.92 : 221,206.08 = 131,377.28 : x
  2. Step 2: Convert to fraction form
    147,909.92/221,206.08 = 131,377.28/x
  3. Step 3: Cross multiply
    147,909.92x = 221,206.08 × 131,377.28
  4. Step 4: Simplify right side
    147,909.92x = 29,061,453,109.86
  5. Step 5: Solve for x
    x = 29,061,453,109.86/147,909.92
  6. Step 6: Final answer
    x = 196,480.76

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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.