Home / 231,645.08-319,671.44-131,040.92

Finding the Fourth Proportional to 231,645.08, 319,671.44 and 131,040.92

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Solution

The fourth proportional to 231,645.08, 319,671.44 and 131,040.92 is: 180,837.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,645.08 : 319,671.44 = 131,040.92 : x
  2. Step 2: Convert to fraction form
    231,645.08/319,671.44 = 131,040.92/x
  3. Step 3: Cross multiply
    231,645.08x = 319,671.44 × 131,040.92
  4. Step 4: Simplify right side
    231,645.08x = 41,890,039,595.32
  5. Step 5: Solve for x
    x = 41,890,039,595.32/231,645.08
  6. Step 6: Final answer
    x = 180,837.17

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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.