Home / 231,875.16-319,987.26-131,282.52

Finding the Fourth Proportional to 231,875.16, 319,987.26 and 131,282.52

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Solution

The fourth proportional to 231,875.16, 319,987.26 and 131,282.52 is: 181,169.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,875.16 : 319,987.26 = 131,282.52 : x
  2. Step 2: Convert to fraction form
    231,875.16/319,987.26 = 131,282.52/x
  3. Step 3: Cross multiply
    231,875.16x = 319,987.26 × 131,282.52
  4. Step 4: Simplify right side
    231,875.16x = 42,008,733,860.70
  5. Step 5: Solve for x
    x = 42,008,733,860.70/231,875.16
  6. Step 6: Final answer
    x = 181,169.62

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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.