Home / 99,453.65-137,184.05-60,673.75

Finding the Fourth Proportional to 99,453.65, 137,184.05 and 60,673.75

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Solution

The fourth proportional to 99,453.65, 137,184.05 and 60,673.75 is: 83,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,453.65 : 137,184.05 = 60,673.75 : x
  2. Step 2: Convert to fraction form
    99,453.65/137,184.05 = 60,673.75/x
  3. Step 3: Cross multiply
    99,453.65x = 137,184.05 × 60,673.75
  4. Step 4: Simplify right side
    99,453.65x = 8,323,470,562.41
  5. Step 5: Solve for x
    x = 8,323,470,562.41/99,453.65
  6. Step 6: Final answer
    x = 83,691.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.