Home / 113,508.43-170,203.49-42,372.55

Finding the Fourth Proportional to 113,508.43, 170,203.49 and 42,372.55

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Solution

The fourth proportional to 113,508.43, 170,203.49 and 42,372.55 is: 63,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,508.43 : 170,203.49 = 42,372.55 : x
  2. Step 2: Convert to fraction form
    113,508.43/170,203.49 = 42,372.55/x
  3. Step 3: Cross multiply
    113,508.43x = 170,203.49 × 42,372.55
  4. Step 4: Simplify right side
    113,508.43x = 7,211,956,049.99
  5. Step 5: Solve for x
    x = 7,211,956,049.99/113,508.43
  6. Step 6: Final answer
    x = 63,536.75

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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.