Home / 113,377.47-169,953.34-54,143.88

Finding the Fourth Proportional to 113,377.47, 169,953.34 and 54,143.88

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Solution

The fourth proportional to 113,377.47, 169,953.34 and 54,143.88 is: 81,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,377.47 : 169,953.34 = 54,143.88 : x
  2. Step 2: Convert to fraction form
    113,377.47/169,953.34 = 54,143.88/x
  3. Step 3: Cross multiply
    113,377.47x = 169,953.34 × 54,143.88
  4. Step 4: Simplify right side
    113,377.47x = 9,201,933,246.56
  5. Step 5: Solve for x
    x = 9,201,933,246.56/113,377.47
  6. Step 6: Final answer
    x = 81,161.92

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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.