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Finding the Fourth Proportional to 138,102.60, 207,158.22 and 44,609.16

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Solution

The fourth proportional to 138,102.60, 207,158.22 and 44,609.16 is: 66,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,102.60 : 207,158.22 = 44,609.16 : x
  2. Step 2: Convert to fraction form
    138,102.60/207,158.22 = 44,609.16/x
  3. Step 3: Cross multiply
    138,102.60x = 207,158.22 × 44,609.16
  4. Step 4: Simplify right side
    138,102.60x = 9,241,154,181.30
  5. Step 5: Solve for x
    x = 9,241,154,181.30/138,102.60
  6. Step 6: Final answer
    x = 66,915.14

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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.