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Finding the Fourth Proportional to 162,412.39, 243,660.05 and 67,611.11

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Solution

The fourth proportional to 162,412.39, 243,660.05 and 67,611.11 is: 101,433.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,412.39 : 243,660.05 = 67,611.11 : x
  2. Step 2: Convert to fraction form
    162,412.39/243,660.05 = 67,611.11/x
  3. Step 3: Cross multiply
    162,412.39x = 243,660.05 × 67,611.11
  4. Step 4: Simplify right side
    162,412.39x = 16,474,125,140.34
  5. Step 5: Solve for x
    x = 16,474,125,140.34/162,412.39
  6. Step 6: Final answer
    x = 101,433.92

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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.