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Finding the Fourth Proportional to 101,245, 151,752.24 and 45,000.62

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Solution

The fourth proportional to 101,245, 151,752.24 and 45,000.62 is: 67,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,245 : 151,752.24 = 45,000.62 : x
  2. Step 2: Convert to fraction form
    101,245/151,752.24 = 45,000.62/x
  3. Step 3: Cross multiply
    101,245x = 151,752.24 × 45,000.62
  4. Step 4: Simplify right side
    101,245x = 6,828,944,886.39
  5. Step 5: Solve for x
    x = 6,828,944,886.39/101,245
  6. Step 6: Final answer
    x = 67,449.70

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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.