Home / 214,039.20-321,061.92-101,730.87

Finding the Fourth Proportional to 214,039.20, 321,061.92 and 101,730.87

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Solution

The fourth proportional to 214,039.20, 321,061.92 and 101,730.87 is: 152,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,039.20 : 321,061.92 = 101,730.87 : x
  2. Step 2: Convert to fraction form
    214,039.20/321,061.92 = 101,730.87/x
  3. Step 3: Cross multiply
    214,039.20x = 321,061.92 × 101,730.87
  4. Step 4: Simplify right side
    214,039.20x = 32,661,908,445.47
  5. Step 5: Solve for x
    x = 32,661,908,445.47/214,039.20
  6. Step 6: Final answer
    x = 152,597.79

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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.