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Finding the Fourth Proportional to 162,353.40, 243,530.10 and 156,132.60

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Solution

The fourth proportional to 162,353.40, 243,530.10 and 156,132.60 is: 234,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,353.40 : 243,530.10 = 156,132.60 : x
  2. Step 2: Convert to fraction form
    162,353.40/243,530.10 = 156,132.60/x
  3. Step 3: Cross multiply
    162,353.40x = 243,530.10 × 156,132.60
  4. Step 4: Simplify right side
    162,353.40x = 38,022,987,691.26
  5. Step 5: Solve for x
    x = 38,022,987,691.26/162,353.40
  6. Step 6: Final answer
    x = 234,198.90

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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.