Home / 162,008.76-243,328.52-132,045.15

Finding the Fourth Proportional to 162,008.76, 243,328.52 and 132,045.15

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Solution

The fourth proportional to 162,008.76, 243,328.52 and 132,045.15 is: 198,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,008.76 : 243,328.52 = 132,045.15 : x
  2. Step 2: Convert to fraction form
    162,008.76/243,328.52 = 132,045.15/x
  3. Step 3: Cross multiply
    162,008.76x = 243,328.52 × 132,045.15
  4. Step 4: Simplify right side
    162,008.76x = 32,130,350,922.68
  5. Step 5: Solve for x
    x = 32,130,350,922.68/162,008.76
  6. Step 6: Final answer
    x = 198,324.78

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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.