Home / 162,042.40-242,545.20-149,600.80

Finding the Fourth Proportional to 162,042.40, 242,545.20 and 149,600.80

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Solution

The fourth proportional to 162,042.40, 242,545.20 and 149,600.80 is: 223,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,042.40 : 242,545.20 = 149,600.80 : x
  2. Step 2: Convert to fraction form
    162,042.40/242,545.20 = 149,600.80/x
  3. Step 3: Cross multiply
    162,042.40x = 242,545.20 × 149,600.80
  4. Step 4: Simplify right side
    162,042.40x = 36,284,955,956.16
  5. Step 5: Solve for x
    x = 36,284,955,956.16/162,042.40
  6. Step 6: Final answer
    x = 223,922.60

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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.