Home / 99,563.76-137,394.48-54,240.96

Finding the Fourth Proportional to 99,563.76, 137,394.48 and 54,240.96

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Solution

The fourth proportional to 99,563.76, 137,394.48 and 54,240.96 is: 74,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,563.76 : 137,394.48 = 54,240.96 : x
  2. Step 2: Convert to fraction form
    99,563.76/137,394.48 = 54,240.96/x
  3. Step 3: Cross multiply
    99,563.76x = 137,394.48 × 54,240.96
  4. Step 4: Simplify right side
    99,563.76x = 7,452,408,493.90
  5. Step 5: Solve for x
    x = 7,452,408,493.90/99,563.76
  6. Step 6: Final answer
    x = 74,850.61

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1.5x scale

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.