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Finding the Fourth Proportional to 149,101.60, 223,479.60 and 60,311.20

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Solution

The fourth proportional to 149,101.60, 223,479.60 and 60,311.20 is: 90,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,101.60 : 223,479.60 = 60,311.20 : x
  2. Step 2: Convert to fraction form
    149,101.60/223,479.60 = 60,311.20/x
  3. Step 3: Cross multiply
    149,101.60x = 223,479.60 × 60,311.20
  4. Step 4: Simplify right side
    149,101.60x = 13,478,322,851.52
  5. Step 5: Solve for x
    x = 13,478,322,851.52/149,101.60
  6. Step 6: Final answer
    x = 90,396.90

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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.