Home / 99,487.46-137,291.87-54,165.35

Finding the Fourth Proportional to 99,487.46, 137,291.87 and 54,165.35

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Solution

The fourth proportional to 99,487.46, 137,291.87 and 54,165.35 is: 74,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,487.46 : 137,291.87 = 54,165.35 : x
  2. Step 2: Convert to fraction form
    99,487.46/137,291.87 = 54,165.35/x
  3. Step 3: Cross multiply
    99,487.46x = 137,291.87 × 54,165.35
  4. Step 4: Simplify right side
    99,487.46x = 7,436,462,190.70
  5. Step 5: Solve for x
    x = 7,436,462,190.70/99,487.46
  6. Step 6: Final answer
    x = 74,747.73

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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.