Home / 99,884.18-137,834.88-54,561.51

Finding the Fourth Proportional to 99,884.18, 137,834.88 and 54,561.51

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Solution

The fourth proportional to 99,884.18, 137,834.88 and 54,561.51 is: 75,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,884.18 : 137,834.88 = 54,561.51 : x
  2. Step 2: Convert to fraction form
    99,884.18/137,834.88 = 54,561.51/x
  3. Step 3: Cross multiply
    99,884.18x = 137,834.88 × 54,561.51
  4. Step 4: Simplify right side
    99,884.18x = 7,520,479,183.47
  5. Step 5: Solve for x
    x = 7,520,479,183.47/99,884.18
  6. Step 6: Final answer
    x = 75,292.00

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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.