Home / 162,612.20-243,990.72-103,432.52

Finding the Fourth Proportional to 162,612.20, 243,990.72 and 103,432.52

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Solution

The fourth proportional to 162,612.20, 243,990.72 and 103,432.52 is: 155,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,612.20 : 243,990.72 = 103,432.52 : x
  2. Step 2: Convert to fraction form
    162,612.20/243,990.72 = 103,432.52/x
  3. Step 3: Cross multiply
    162,612.20x = 243,990.72 × 103,432.52
  4. Step 4: Simplify right side
    162,612.20x = 25,236,575,026.21
  5. Step 5: Solve for x
    x = 25,236,575,026.21/162,612.20
  6. Step 6: Final answer
    x = 155,194.84

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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.