Home / 99,508.50-137,319.77-54,187.02

Finding the Fourth Proportional to 99,508.50, 137,319.77 and 54,187.02

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Solution

The fourth proportional to 99,508.50, 137,319.77 and 54,187.02 is: 74,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,508.50 : 137,319.77 = 54,187.02 : x
  2. Step 2: Convert to fraction form
    99,508.50/137,319.77 = 54,187.02/x
  3. Step 3: Cross multiply
    99,508.50x = 137,319.77 × 54,187.02
  4. Step 4: Simplify right side
    99,508.50x = 7,440,948,852.45
  5. Step 5: Solve for x
    x = 7,440,948,852.45/99,508.50
  6. Step 6: Final answer
    x = 74,777.02

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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.