Home / 99,834.13-137,776.67-54,516.32

Finding the Fourth Proportional to 99,834.13, 137,776.67 and 54,516.32

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Solution

The fourth proportional to 99,834.13, 137,776.67 and 54,516.32 is: 75,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,834.13 : 137,776.67 = 54,516.32 : x
  2. Step 2: Convert to fraction form
    99,834.13/137,776.67 = 54,516.32/x
  3. Step 3: Cross multiply
    99,834.13x = 137,776.67 × 54,516.32
  4. Step 4: Simplify right side
    99,834.13x = 7,511,077,030.25
  5. Step 5: Solve for x
    x = 7,511,077,030.25/99,834.13
  6. Step 6: Final answer
    x = 75,235.56

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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.