Home / 102,610.20-153,915.30-36,125.40

Finding the Fourth Proportional to 102,610.20, 153,915.30 and 36,125.40

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Solution

The fourth proportional to 102,610.20, 153,915.30 and 36,125.40 is: 54,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,610.20 : 153,915.30 = 36,125.40 : x
  2. Step 2: Convert to fraction form
    102,610.20/153,915.30 = 36,125.40/x
  3. Step 3: Cross multiply
    102,610.20x = 153,915.30 × 36,125.40
  4. Step 4: Simplify right side
    102,610.20x = 5,560,251,778.62
  5. Step 5: Solve for x
    x = 5,560,251,778.62/102,610.20
  6. Step 6: Final answer
    x = 54,188.10

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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.