Home / 131,962.20-182,104.38-71,530.20

Finding the Fourth Proportional to 131,962.20, 182,104.38 and 71,530.20

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Solution

The fourth proportional to 131,962.20, 182,104.38 and 71,530.20 is: 98,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,962.20 : 182,104.38 = 71,530.20 : x
  2. Step 2: Convert to fraction form
    131,962.20/182,104.38 = 71,530.20/x
  3. Step 3: Cross multiply
    131,962.20x = 182,104.38 × 71,530.20
  4. Step 4: Simplify right side
    131,962.20x = 13,025,962,722.28
  5. Step 5: Solve for x
    x = 13,025,962,722.28/131,962.20
  6. Step 6: Final answer
    x = 98,709.80

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1.5x scale

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.