Home / 177,034.43-265,286.48-77,140.49

Finding the Fourth Proportional to 177,034.43, 265,286.48 and 77,140.49

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Solution

The fourth proportional to 177,034.43, 265,286.48 and 77,140.49 is: 115,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,034.43 : 265,286.48 = 77,140.49 : x
  2. Step 2: Convert to fraction form
    177,034.43/265,286.48 = 77,140.49/x
  3. Step 3: Cross multiply
    177,034.43x = 265,286.48 × 77,140.49
  4. Step 4: Simplify right side
    177,034.43x = 20,464,327,345.44
  5. Step 5: Solve for x
    x = 20,464,327,345.44/177,034.43
  6. Step 6: Final answer
    x = 115,595.18

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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.