Home / 125,890.26-188,901.09-51,065.70

Finding the Fourth Proportional to 125,890.26, 188,901.09 and 51,065.70

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Solution

The fourth proportional to 125,890.26, 188,901.09 and 51,065.70 is: 76,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,890.26 : 188,901.09 = 51,065.70 : x
  2. Step 2: Convert to fraction form
    125,890.26/188,901.09 = 51,065.70/x
  3. Step 3: Cross multiply
    125,890.26x = 188,901.09 × 51,065.70
  4. Step 4: Simplify right side
    125,890.26x = 9,646,366,391.61
  5. Step 5: Solve for x
    x = 9,646,366,391.61/125,890.26
  6. Step 6: Final answer
    x = 76,625.20

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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.