Home / 231,996.77-320,182.11-130,049.77

Finding the Fourth Proportional to 231,996.77, 320,182.11 and 130,049.77

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Solution

The fourth proportional to 231,996.77, 320,182.11 and 130,049.77 is: 179,483.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,996.77 : 320,182.11 = 130,049.77 : x
  2. Step 2: Convert to fraction form
    231,996.77/320,182.11 = 130,049.77/x
  3. Step 3: Cross multiply
    231,996.77x = 320,182.11 × 130,049.77
  4. Step 4: Simplify right side
    231,996.77x = 41,639,609,763.61
  5. Step 5: Solve for x
    x = 41,639,609,763.61/231,996.77
  6. Step 6: Final answer
    x = 179,483.58

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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.