Home / 232,169.60-320,397.59-135,370.78

Finding the Fourth Proportional to 232,169.60, 320,397.59 and 135,370.78

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Solution

The fourth proportional to 232,169.60, 320,397.59 and 135,370.78 is: 186,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,169.60 : 320,397.59 = 135,370.78 : x
  2. Step 2: Convert to fraction form
    232,169.60/320,397.59 = 135,370.78/x
  3. Step 3: Cross multiply
    232,169.60x = 320,397.59 × 135,370.78
  4. Step 4: Simplify right side
    232,169.60x = 43,372,471,668.42
  5. Step 5: Solve for x
    x = 43,372,471,668.42/232,169.60
  6. Step 6: Final answer
    x = 186,813.74

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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.