Home / 91,818.36-137,603.00-82,601.17

Finding the Fourth Proportional to 91,818.36, 137,603.00 and 82,601.17

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Solution

The fourth proportional to 91,818.36, 137,603.00 and 82,601.17 is: 123,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,818.36 : 137,603.00 = 82,601.17 : x
  2. Step 2: Convert to fraction form
    91,818.36/137,603.00 = 82,601.17/x
  3. Step 3: Cross multiply
    91,818.36x = 137,603.00 × 82,601.17
  4. Step 4: Simplify right side
    91,818.36x = 11,366,168,658.01
  5. Step 5: Solve for x
    x = 11,366,168,658.01/91,818.36
  6. Step 6: Final answer
    x = 123,789.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.