Home / 162,310.30-243,465.45-100,015.90

Finding the Fourth Proportional to 162,310.30, 243,465.45 and 100,015.90

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Solution

The fourth proportional to 162,310.30, 243,465.45 and 100,015.90 is: 150,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,310.30 : 243,465.45 = 100,015.90 : x
  2. Step 2: Convert to fraction form
    162,310.30/243,465.45 = 100,015.90/x
  3. Step 3: Cross multiply
    162,310.30x = 243,465.45 × 100,015.90
  4. Step 4: Simplify right side
    162,310.30x = 24,350,416,100.66
  5. Step 5: Solve for x
    x = 24,350,416,100.66/162,310.30
  6. Step 6: Final answer
    x = 150,023.85

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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.