Home / 232,899.57-321,401.79-130,930.74

Finding the Fourth Proportional to 232,899.57, 321,401.79 and 130,930.74

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Solution

The fourth proportional to 232,899.57, 321,401.79 and 130,930.74 is: 180,684.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,899.57 : 321,401.79 = 130,930.74 : x
  2. Step 2: Convert to fraction form
    232,899.57/321,401.79 = 130,930.74/x
  3. Step 3: Cross multiply
    232,899.57x = 321,401.79 × 130,930.74
  4. Step 4: Simplify right side
    232,899.57x = 42,081,374,202.02
  5. Step 5: Solve for x
    x = 42,081,374,202.02/232,899.57
  6. Step 6: Final answer
    x = 180,684.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.