Home / 214,545.19-321,763.87-88,220.73

Finding the Fourth Proportional to 214,545.19, 321,763.87 and 88,220.73

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Solution

The fourth proportional to 214,545.19, 321,763.87 and 88,220.73 is: 132,308.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,545.19 : 321,763.87 = 88,220.73 : x
  2. Step 2: Convert to fraction form
    214,545.19/321,763.87 = 88,220.73/x
  3. Step 3: Cross multiply
    214,545.19x = 321,763.87 × 88,220.73
  4. Step 4: Simplify right side
    214,545.19x = 28,386,243,499.03
  5. Step 5: Solve for x
    x = 28,386,243,499.03/214,545.19
  6. Step 6: Final answer
    x = 132,308.93

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1.5x scale

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.