Home / 193,239.30-266,670.26-108,356.40

Finding the Fourth Proportional to 193,239.30, 266,670.26 and 108,356.40

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Solution

The fourth proportional to 193,239.30, 266,670.26 and 108,356.40 is: 149,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,239.30 : 266,670.26 = 108,356.40 : x
  2. Step 2: Convert to fraction form
    193,239.30/266,670.26 = 108,356.40/x
  3. Step 3: Cross multiply
    193,239.30x = 266,670.26 × 108,356.40
  4. Step 4: Simplify right side
    193,239.30x = 28,895,429,360.66
  5. Step 5: Solve for x
    x = 28,895,429,360.66/193,239.30
  6. Step 6: Final answer
    x = 149,531.85

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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.