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Finding the Fourth Proportional to 160,099.74, 240,294.87 and 85,283.28

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Solution

The fourth proportional to 160,099.74, 240,294.87 and 85,283.28 is: 128,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,099.74 : 240,294.87 = 85,283.28 : x
  2. Step 2: Convert to fraction form
    160,099.74/240,294.87 = 85,283.28/x
  3. Step 3: Cross multiply
    160,099.74x = 240,294.87 × 85,283.28
  4. Step 4: Simplify right side
    160,099.74x = 20,493,134,680.77
  5. Step 5: Solve for x
    x = 20,493,134,680.77/160,099.74
  6. Step 6: Final answer
    x = 128,002.30

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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.