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Finding the Fourth Proportional to 160,344.62, 240,445.86 and 85,450.82

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Solution

The fourth proportional to 160,344.62, 240,445.86 and 85,450.82 is: 128,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,344.62 : 240,445.86 = 85,450.82 : x
  2. Step 2: Convert to fraction form
    160,344.62/240,445.86 = 85,450.82/x
  3. Step 3: Cross multiply
    160,344.62x = 240,445.86 × 85,450.82
  4. Step 4: Simplify right side
    160,344.62x = 20,546,295,902.61
  5. Step 5: Solve for x
    x = 20,546,295,902.61/160,344.62
  6. Step 6: Final answer
    x = 128,138.36

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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.