Home / 140,263.55-210,422.76-51,517.72

Finding the Fourth Proportional to 140,263.55, 210,422.76 and 51,517.72

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Solution

The fourth proportional to 140,263.55, 210,422.76 and 51,517.72 is: 77,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,263.55 : 210,422.76 = 51,517.72 : x
  2. Step 2: Convert to fraction form
    140,263.55/210,422.76 = 51,517.72/x
  3. Step 3: Cross multiply
    140,263.55x = 210,422.76 × 51,517.72
  4. Step 4: Simplify right side
    140,263.55x = 10,840,500,112.06
  5. Step 5: Solve for x
    x = 10,840,500,112.06/140,263.55
  6. Step 6: Final answer
    x = 77,286.65

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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.