Home / 214,545.84-321,935.40-89,974.32

Finding the Fourth Proportional to 214,545.84, 321,935.40 and 89,974.32

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Solution

The fourth proportional to 214,545.84, 321,935.40 and 89,974.32 is: 135,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,545.84 : 321,935.40 = 89,974.32 : x
  2. Step 2: Convert to fraction form
    214,545.84/321,935.40 = 89,974.32/x
  3. Step 3: Cross multiply
    214,545.84x = 321,935.40 × 89,974.32
  4. Step 4: Simplify right side
    214,545.84x = 28,965,918,698.93
  5. Step 5: Solve for x
    x = 28,965,918,698.93/214,545.84
  6. Step 6: Final answer
    x = 135,010.40

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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.