Home / 131,763.24-181,834.70-71,335.15

Finding the Fourth Proportional to 131,763.24, 181,834.70 and 71,335.15

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Solution

The fourth proportional to 131,763.24, 181,834.70 and 71,335.15 is: 98,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,763.24 : 181,834.70 = 71,335.15 : x
  2. Step 2: Convert to fraction form
    131,763.24/181,834.70 = 71,335.15/x
  3. Step 3: Cross multiply
    131,763.24x = 181,834.70 × 71,335.15
  4. Step 4: Simplify right side
    131,763.24x = 12,971,204,788.44
  5. Step 5: Solve for x
    x = 12,971,204,788.44/131,763.24
  6. Step 6: Final answer
    x = 98,443.27

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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.