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Finding the Fourth Proportional to 101,171.60, 151,818.15 and 42,001.10

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Solution

The fourth proportional to 101,171.60, 151,818.15 and 42,001.10 is: 63,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,171.60 : 151,818.15 = 42,001.10 : x
  2. Step 2: Convert to fraction form
    101,171.60/151,818.15 = 42,001.10/x
  3. Step 3: Cross multiply
    101,171.60x = 151,818.15 × 42,001.10
  4. Step 4: Simplify right side
    101,171.60x = 6,376,529,299.97
  5. Step 5: Solve for x
    x = 6,376,529,299.97/101,171.60
  6. Step 6: Final answer
    x = 63,026.87

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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.