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Finding the Fourth Proportional to 162,527.40, 243,791.10 and 132,978.60

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Solution

The fourth proportional to 162,527.40, 243,791.10 and 132,978.60 is: 199,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,527.40 : 243,791.10 = 132,978.60 : x
  2. Step 2: Convert to fraction form
    162,527.40/243,791.10 = 132,978.60/x
  3. Step 3: Cross multiply
    162,527.40x = 243,791.10 × 132,978.60
  4. Step 4: Simplify right side
    162,527.40x = 32,418,999,170.46
  5. Step 5: Solve for x
    x = 32,418,999,170.46/162,527.40
  6. Step 6: Final answer
    x = 199,467.90

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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.