Home / 231,986.52-320,126.24-136,474.76

Finding the Fourth Proportional to 231,986.52, 320,126.24 and 136,474.76

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Solution

The fourth proportional to 231,986.52, 320,126.24 and 136,474.76 is: 188,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,986.52 : 320,126.24 = 136,474.76 : x
  2. Step 2: Convert to fraction form
    231,986.52/320,126.24 = 136,474.76/x
  3. Step 3: Cross multiply
    231,986.52x = 320,126.24 × 136,474.76
  4. Step 4: Simplify right side
    231,986.52x = 43,689,151,773.70
  5. Step 5: Solve for x
    x = 43,689,151,773.70/231,986.52
  6. Step 6: Final answer
    x = 188,326.25

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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.