Home / 124,531.75-171,853.83-79,819.75

Finding the Fourth Proportional to 124,531.75, 171,853.83 and 79,819.75

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Solution

The fourth proportional to 124,531.75, 171,853.83 and 79,819.75 is: 110,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,531.75 : 171,853.83 = 79,819.75 : x
  2. Step 2: Convert to fraction form
    124,531.75/171,853.83 = 79,819.75/x
  3. Step 3: Cross multiply
    124,531.75x = 171,853.83 × 79,819.75
  4. Step 4: Simplify right side
    124,531.75x = 13,717,329,747.14
  5. Step 5: Solve for x
    x = 13,717,329,747.14/124,531.75
  6. Step 6: Final answer
    x = 110,151.26

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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.