Home / 99,744.14-137,652.18-57,305.42

Finding the Fourth Proportional to 99,744.14, 137,652.18 and 57,305.42

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Solution

The fourth proportional to 99,744.14, 137,652.18 and 57,305.42 is: 79,084.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,744.14 : 137,652.18 = 57,305.42 : x
  2. Step 2: Convert to fraction form
    99,744.14/137,652.18 = 57,305.42/x
  3. Step 3: Cross multiply
    99,744.14x = 137,652.18 × 57,305.42
  4. Step 4: Simplify right side
    99,744.14x = 7,888,215,988.82
  5. Step 5: Solve for x
    x = 7,888,215,988.82/99,744.14
  6. Step 6: Final answer
    x = 79,084.51

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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.