Home / 162,002.60-243,263.10-109,644.20

Finding the Fourth Proportional to 162,002.60, 243,263.10 and 109,644.20

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Solution

The fourth proportional to 162,002.60, 243,263.10 and 109,644.20 is: 164,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,002.60 : 243,263.10 = 109,644.20 : x
  2. Step 2: Convert to fraction form
    162,002.60/243,263.10 = 109,644.20/x
  3. Step 3: Cross multiply
    162,002.60x = 243,263.10 × 109,644.20
  4. Step 4: Simplify right side
    162,002.60x = 26,672,387,989.02
  5. Step 5: Solve for x
    x = 26,672,387,989.02/162,002.60
  6. Step 6: Final answer
    x = 164,641.73

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1.5x scale

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.