Home / 99,468.66-137,278.46-55,868.38

Finding the Fourth Proportional to 99,468.66, 137,278.46 and 55,868.38

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Solution

The fourth proportional to 99,468.66, 137,278.46 and 55,868.38 is: 77,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,468.66 : 137,278.46 = 55,868.38 : x
  2. Step 2: Convert to fraction form
    99,468.66/137,278.46 = 55,868.38/x
  3. Step 3: Cross multiply
    99,468.66x = 137,278.46 × 55,868.38
  4. Step 4: Simplify right side
    99,468.66x = 7,669,525,169.09
  5. Step 5: Solve for x
    x = 7,669,525,169.09/99,468.66
  6. Step 6: Final answer
    x = 77,104.94

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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.