Home / 140,625.64-193,861.56-100,269.46

Finding the Fourth Proportional to 140,625.64, 193,861.56 and 100,269.46

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Solution

The fourth proportional to 140,625.64, 193,861.56 and 100,269.46 is: 138,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,625.64 : 193,861.56 = 100,269.46 : x
  2. Step 2: Convert to fraction form
    140,625.64/193,861.56 = 100,269.46/x
  3. Step 3: Cross multiply
    140,625.64x = 193,861.56 × 100,269.46
  4. Step 4: Simplify right side
    140,625.64x = 19,438,393,935.96
  5. Step 5: Solve for x
    x = 19,438,393,935.96/140,625.64
  6. Step 6: Final answer
    x = 138,227.95

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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.