Home / 231,218.42-319,122.02-134,452.21

Finding the Fourth Proportional to 231,218.42, 319,122.02 and 134,452.21

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Solution

The fourth proportional to 231,218.42, 319,122.02 and 134,452.21 is: 185,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,218.42 : 319,122.02 = 134,452.21 : x
  2. Step 2: Convert to fraction form
    231,218.42/319,122.02 = 134,452.21/x
  3. Step 3: Cross multiply
    231,218.42x = 319,122.02 × 134,452.21
  4. Step 4: Simplify right side
    231,218.42x = 42,906,661,115.19
  5. Step 5: Solve for x
    x = 42,906,661,115.19/231,218.42
  6. Step 6: Final answer
    x = 185,567.66

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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.