Home / 214,975.40-321,848.70-132,031.40

Finding the Fourth Proportional to 214,975.40, 321,848.70 and 132,031.40

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Solution

The fourth proportional to 214,975.40, 321,848.70 and 132,031.40 is: 197,669.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,975.40 : 321,848.70 = 132,031.40 : x
  2. Step 2: Convert to fraction form
    214,975.40/321,848.70 = 132,031.40/x
  3. Step 3: Cross multiply
    214,975.40x = 321,848.70 × 132,031.40
  4. Step 4: Simplify right side
    214,975.40x = 42,494,134,449.18
  5. Step 5: Solve for x
    x = 42,494,134,449.18/214,975.40
  6. Step 6: Final answer
    x = 197,669.75

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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.