Home / 99,486.96-137,291.18-54,164.85

Finding the Fourth Proportional to 99,486.96, 137,291.18 and 54,164.85

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Solution

The fourth proportional to 99,486.96, 137,291.18 and 54,164.85 is: 74,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,486.96 : 137,291.18 = 54,164.85 : x
  2. Step 2: Convert to fraction form
    99,486.96/137,291.18 = 54,164.85/x
  3. Step 3: Cross multiply
    99,486.96x = 137,291.18 × 54,164.85
  4. Step 4: Simplify right side
    99,486.96x = 7,436,356,309.96
  5. Step 5: Solve for x
    x = 7,436,356,309.96/99,486.96
  6. Step 6: Final answer
    x = 74,747.05

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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.