Home / 231,878.30-319,832.01-163,113.57

Finding the Fourth Proportional to 231,878.30, 319,832.01 and 163,113.57

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Solution

The fourth proportional to 231,878.30, 319,832.01 and 163,113.57 is: 224,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,878.30 : 319,832.01 = 163,113.57 : x
  2. Step 2: Convert to fraction form
    231,878.30/319,832.01 = 163,113.57/x
  3. Step 3: Cross multiply
    231,878.30x = 319,832.01 × 163,113.57
  4. Step 4: Simplify right side
    231,878.30x = 52,168,940,951.38
  5. Step 5: Solve for x
    x = 52,168,940,951.38/231,878.30
  6. Step 6: Final answer
    x = 224,984.15

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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.