Home / 231,490.76-319,481.06-140,853.32

Finding the Fourth Proportional to 231,490.76, 319,481.06 and 140,853.32

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Solution

The fourth proportional to 231,490.76, 319,481.06 and 140,853.32 is: 194,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,490.76 : 319,481.06 = 140,853.32 : x
  2. Step 2: Convert to fraction form
    231,490.76/319,481.06 = 140,853.32/x
  3. Step 3: Cross multiply
    231,490.76x = 319,481.06 × 140,853.32
  4. Step 4: Simplify right side
    231,490.76x = 44,999,967,978.12
  5. Step 5: Solve for x
    x = 44,999,967,978.12/231,490.76
  6. Step 6: Final answer
    x = 194,392.07

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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.