Home / 99,379.28-148,872.08-64,343.54

Finding the Fourth Proportional to 99,379.28, 148,872.08 and 64,343.54

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Solution

The fourth proportional to 99,379.28, 148,872.08 and 64,343.54 is: 96,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,379.28 : 148,872.08 = 64,343.54 : x
  2. Step 2: Convert to fraction form
    99,379.28/148,872.08 = 64,343.54/x
  3. Step 3: Cross multiply
    99,379.28x = 148,872.08 × 64,343.54
  4. Step 4: Simplify right side
    99,379.28x = 9,578,956,634.36
  5. Step 5: Solve for x
    x = 9,578,956,634.36/99,379.28
  6. Step 6: Final answer
    x = 96,387.87

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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.