Home / 149,135.92-223,703.82-54,373.20

Finding the Fourth Proportional to 149,135.92, 223,703.82 and 54,373.20

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Solution

The fourth proportional to 149,135.92, 223,703.82 and 54,373.20 is: 81,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,135.92 : 223,703.82 = 54,373.20 : x
  2. Step 2: Convert to fraction form
    149,135.92/223,703.82 = 54,373.20/x
  3. Step 3: Cross multiply
    149,135.92x = 223,703.82 × 54,373.20
  4. Step 4: Simplify right side
    149,135.92x = 12,163,492,545.62
  5. Step 5: Solve for x
    x = 12,163,492,545.62/149,135.92
  6. Step 6: Final answer
    x = 81,559.78

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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.