Home / 99,406.13-137,181.06-54,084.44

Finding the Fourth Proportional to 99,406.13, 137,181.06 and 54,084.44

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Solution

The fourth proportional to 99,406.13, 137,181.06 and 54,084.44 is: 74,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,406.13 : 137,181.06 = 54,084.44 : x
  2. Step 2: Convert to fraction form
    99,406.13/137,181.06 = 54,084.44/x
  3. Step 3: Cross multiply
    99,406.13x = 137,181.06 × 54,084.44
  4. Step 4: Simplify right side
    99,406.13x = 7,419,360,417.10
  5. Step 5: Solve for x
    x = 7,419,360,417.10/99,406.13
  6. Step 6: Final answer
    x = 74,636.85

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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.