Home / 99,234.92-137,015.64-61,045.80

Finding the Fourth Proportional to 99,234.92, 137,015.64 and 61,045.80

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Solution

The fourth proportional to 99,234.92, 137,015.64 and 61,045.80 is: 84,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,234.92 : 137,015.64 = 61,045.80 : x
  2. Step 2: Convert to fraction form
    99,234.92/137,015.64 = 61,045.80/x
  3. Step 3: Cross multiply
    99,234.92x = 137,015.64 × 61,045.80
  4. Step 4: Simplify right side
    99,234.92x = 8,364,229,356.31
  5. Step 5: Solve for x
    x = 8,364,229,356.31/99,234.92
  6. Step 6: Final answer
    x = 84,287.16

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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.