Home / 214,061.40-321,140.70-125,269.20

Finding the Fourth Proportional to 214,061.40, 321,140.70 and 125,269.20

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Solution

The fourth proportional to 214,061.40, 321,140.70 and 125,269.20 is: 187,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,061.40 : 321,140.70 = 125,269.20 : x
  2. Step 2: Convert to fraction form
    214,061.40/321,140.70 = 125,269.20/x
  3. Step 3: Cross multiply
    214,061.40x = 321,140.70 × 125,269.20
  4. Step 4: Simplify right side
    214,061.40x = 40,229,038,576.44
  5. Step 5: Solve for x
    x = 40,229,038,576.44/214,061.40
  6. Step 6: Final answer
    x = 187,932.24

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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.