Home / 231,346.32-319,240.33-140,689.77

Finding the Fourth Proportional to 231,346.32, 319,240.33 and 140,689.77

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Solution

The fourth proportional to 231,346.32, 319,240.33 and 140,689.77 is: 194,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,346.32 : 319,240.33 = 140,689.77 : x
  2. Step 2: Convert to fraction form
    231,346.32/319,240.33 = 140,689.77/x
  3. Step 3: Cross multiply
    231,346.32x = 319,240.33 × 140,689.77
  4. Step 4: Simplify right side
    231,346.32x = 44,913,848,602.42
  5. Step 5: Solve for x
    x = 44,913,848,602.42/231,346.32
  6. Step 6: Final answer
    x = 194,141.18

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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.