Home / 214,254.65-321,527.16-87,917.73

Finding the Fourth Proportional to 214,254.65, 321,527.16 and 87,917.73

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Solution

The fourth proportional to 214,254.65, 321,527.16 and 87,917.73 is: 131,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,254.65 : 321,527.16 = 87,917.73 : x
  2. Step 2: Convert to fraction form
    214,254.65/321,527.16 = 87,917.73/x
  3. Step 3: Cross multiply
    214,254.65x = 321,527.16 × 87,917.73
  4. Step 4: Simplify right side
    214,254.65x = 28,267,938,040.55
  5. Step 5: Solve for x
    x = 28,267,938,040.55/214,254.65
  6. Step 6: Final answer
    x = 131,936.17

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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.