Home / 99,960.26-137,855.86-82,937.54

Finding the Fourth Proportional to 99,960.26, 137,855.86 and 82,937.54

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Solution

The fourth proportional to 99,960.26, 137,855.86 and 82,937.54 is: 114,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,960.26 : 137,855.86 = 82,937.54 : x
  2. Step 2: Convert to fraction form
    99,960.26/137,855.86 = 82,937.54/x
  3. Step 3: Cross multiply
    99,960.26x = 137,855.86 × 82,937.54
  4. Step 4: Simplify right side
    99,960.26x = 11,433,426,040.28
  5. Step 5: Solve for x
    x = 11,433,426,040.28/99,960.26
  6. Step 6: Final answer
    x = 114,379.72

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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.