Home / 213,126.42-319,689.54-63,366.06

Finding the Fourth Proportional to 213,126.42, 319,689.54 and 63,366.06

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Solution

The fourth proportional to 213,126.42, 319,689.54 and 63,366.06 is: 95,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,126.42 : 319,689.54 = 63,366.06 : x
  2. Step 2: Convert to fraction form
    213,126.42/319,689.54 = 63,366.06/x
  3. Step 3: Cross multiply
    213,126.42x = 319,689.54 × 63,366.06
  4. Step 4: Simplify right side
    213,126.42x = 20,257,466,573.01
  5. Step 5: Solve for x
    x = 20,257,466,573.01/213,126.42
  6. Step 6: Final answer
    x = 95,049.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.