Home / 131,734.65-181,793.61-71,305.23

Finding the Fourth Proportional to 131,734.65, 181,793.61 and 71,305.23

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Solution

The fourth proportional to 131,734.65, 181,793.61 and 71,305.23 is: 98,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,734.65 : 181,793.61 = 71,305.23 : x
  2. Step 2: Convert to fraction form
    131,734.65/181,793.61 = 71,305.23/x
  3. Step 3: Cross multiply
    131,734.65x = 181,793.61 × 71,305.23
  4. Step 4: Simplify right side
    131,734.65x = 12,962,835,173.58
  5. Step 5: Solve for x
    x = 12,962,835,173.58/131,734.65
  6. Step 6: Final answer
    x = 98,401.11

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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.