Home / 232,142.49-320,369.85-130,200.75

Finding the Fourth Proportional to 232,142.49, 320,369.85 and 130,200.75

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Solution

The fourth proportional to 232,142.49, 320,369.85 and 130,200.75 is: 179,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,142.49 : 320,369.85 = 130,200.75 : x
  2. Step 2: Convert to fraction form
    232,142.49/320,369.85 = 130,200.75/x
  3. Step 3: Cross multiply
    232,142.49x = 320,369.85 × 130,200.75
  4. Step 4: Simplify right side
    232,142.49x = 41,712,394,747.39
  5. Step 5: Solve for x
    x = 41,712,394,747.39/232,142.49
  6. Step 6: Final answer
    x = 179,684.45

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1.5x scale

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.