Home / 231,237.24-319,158.87-140,574

Finding the Fourth Proportional to 231,237.24, 319,158.87 and 140,574

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Solution

The fourth proportional to 231,237.24, 319,158.87 and 140,574 is: 194,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,237.24 : 319,158.87 = 140,574 : x
  2. Step 2: Convert to fraction form
    231,237.24/319,158.87 = 140,574/x
  3. Step 3: Cross multiply
    231,237.24x = 319,158.87 × 140,574
  4. Step 4: Simplify right side
    231,237.24x = 44,865,438,991.38
  5. Step 5: Solve for x
    x = 44,865,438,991.38/231,237.24
  6. Step 6: Final answer
    x = 194,023.42

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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.