Home / 231,223.12-319,050.80-140,530.64

Finding the Fourth Proportional to 231,223.12, 319,050.80 and 140,530.64

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Solution

The fourth proportional to 231,223.12, 319,050.80 and 140,530.64 is: 193,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,223.12 : 319,050.80 = 140,530.64 : x
  2. Step 2: Convert to fraction form
    231,223.12/319,050.80 = 140,530.64/x
  3. Step 3: Cross multiply
    231,223.12x = 319,050.80 × 140,530.64
  4. Step 4: Simplify right side
    231,223.12x = 44,836,413,116.51
  5. Step 5: Solve for x
    x = 44,836,413,116.51/231,223.12
  6. Step 6: Final answer
    x = 193,909.73

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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.