Home / 231,582.32-319,482.16-136,045.92

Finding the Fourth Proportional to 231,582.32, 319,482.16 and 136,045.92

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Solution

The fourth proportional to 231,582.32, 319,482.16 and 136,045.92 is: 187,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,582.32 : 319,482.16 = 136,045.92 : x
  2. Step 2: Convert to fraction form
    231,582.32/319,482.16 = 136,045.92/x
  3. Step 3: Cross multiply
    231,582.32x = 319,482.16 × 136,045.92
  4. Step 4: Simplify right side
    231,582.32x = 43,464,244,380.79
  5. Step 5: Solve for x
    x = 43,464,244,380.79/231,582.32
  6. Step 6: Final answer
    x = 187,683.78

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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.