Home / 177,579.68-266,500.56-84,085.28

Finding the Fourth Proportional to 177,579.68, 266,500.56 and 84,085.28

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Solution

The fourth proportional to 177,579.68, 266,500.56 and 84,085.28 is: 126,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,579.68 : 266,500.56 = 84,085.28 : x
  2. Step 2: Convert to fraction form
    177,579.68/266,500.56 = 84,085.28/x
  3. Step 3: Cross multiply
    177,579.68x = 266,500.56 × 84,085.28
  4. Step 4: Simplify right side
    177,579.68x = 22,408,774,207.76
  5. Step 5: Solve for x
    x = 22,408,774,207.76/177,579.68
  6. Step 6: Final answer
    x = 126,189.97

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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.