Home / 193,440.78-266,948.28-108,557.82

Finding the Fourth Proportional to 193,440.78, 266,948.28 and 108,557.82

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Solution

The fourth proportional to 193,440.78, 266,948.28 and 108,557.82 is: 149,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,440.78 : 266,948.28 = 108,557.82 : x
  2. Step 2: Convert to fraction form
    193,440.78/266,948.28 = 108,557.82/x
  3. Step 3: Cross multiply
    193,440.78x = 266,948.28 × 108,557.82
  4. Step 4: Simplify right side
    193,440.78x = 28,979,323,329.55
  5. Step 5: Solve for x
    x = 28,979,323,329.55/193,440.78
  6. Step 6: Final answer
    x = 149,809.79

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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.