Home / 138,601.30-207,901.95-94,314.55

Finding the Fourth Proportional to 138,601.30, 207,901.95 and 94,314.55

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Solution

The fourth proportional to 138,601.30, 207,901.95 and 94,314.55 is: 141,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,601.30 : 207,901.95 = 94,314.55 : x
  2. Step 2: Convert to fraction form
    138,601.30/207,901.95 = 94,314.55/x
  3. Step 3: Cross multiply
    138,601.30x = 207,901.95 × 94,314.55
  4. Step 4: Simplify right side
    138,601.30x = 19,608,178,858.37
  5. Step 5: Solve for x
    x = 19,608,178,858.37/138,601.30
  6. Step 6: Final answer
    x = 141,471.83

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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.