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Finding the Fourth Proportional to 100,000.89, 150,001.48 and 40,836.56

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Solution

The fourth proportional to 100,000.89, 150,001.48 and 40,836.56 is: 61,254.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,000.89 : 150,001.48 = 40,836.56 : x
  2. Step 2: Convert to fraction form
    100,000.89/150,001.48 = 40,836.56/x
  3. Step 3: Cross multiply
    100,000.89x = 150,001.48 × 40,836.56
  4. Step 4: Simplify right side
    100,000.89x = 6,125,543,858.92
  5. Step 5: Solve for x
    x = 6,125,543,858.92/100,000.89
  6. Step 6: Final answer
    x = 61,254.89

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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.