Home / 177,665.13-245,189.57-100,159.88

Finding the Fourth Proportional to 177,665.13, 245,189.57 and 100,159.88

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Solution

The fourth proportional to 177,665.13, 245,189.57 and 100,159.88 is: 138,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,665.13 : 245,189.57 = 100,159.88 : x
  2. Step 2: Convert to fraction form
    177,665.13/245,189.57 = 100,159.88/x
  3. Step 3: Cross multiply
    177,665.13x = 245,189.57 × 100,159.88
  4. Step 4: Simplify right side
    177,665.13x = 24,558,156,181.70
  5. Step 5: Solve for x
    x = 24,558,156,181.70/177,665.13
  6. Step 6: Final answer
    x = 138,227.22

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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.