Home / 214,303.47-321,432.65-87,957.09

Finding the Fourth Proportional to 214,303.47, 321,432.65 and 87,957.09

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Solution

The fourth proportional to 214,303.47, 321,432.65 and 87,957.09 is: 131,926.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,303.47 : 321,432.65 = 87,957.09 : x
  2. Step 2: Convert to fraction form
    214,303.47/321,432.65 = 87,957.09/x
  3. Step 3: Cross multiply
    214,303.47x = 321,432.65 × 87,957.09
  4. Step 4: Simplify right side
    214,303.47x = 28,272,280,909.80
  5. Step 5: Solve for x
    x = 28,272,280,909.80/214,303.47
  6. Step 6: Final answer
    x = 131,926.38

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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.