Home / 231,425.24-319,238.31-134,618.19

Finding the Fourth Proportional to 231,425.24, 319,238.31 and 134,618.19

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Solution

The fourth proportional to 231,425.24, 319,238.31 and 134,618.19 is: 185,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,425.24 : 319,238.31 = 134,618.19 : x
  2. Step 2: Convert to fraction form
    231,425.24/319,238.31 = 134,618.19/x
  3. Step 3: Cross multiply
    231,425.24x = 319,238.31 × 134,618.19
  4. Step 4: Simplify right side
    231,425.24x = 42,975,283,470.86
  5. Step 5: Solve for x
    x = 42,975,283,470.86/231,425.24
  6. Step 6: Final answer
    x = 185,698.34

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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.