Home / 113,077.26-169,639.38-33,115.68

Finding the Fourth Proportional to 113,077.26, 169,639.38 and 33,115.68

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Solution

The fourth proportional to 113,077.26, 169,639.38 and 33,115.68 is: 49,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,077.26 : 169,639.38 = 33,115.68 : x
  2. Step 2: Convert to fraction form
    113,077.26/169,639.38 = 33,115.68/x
  3. Step 3: Cross multiply
    113,077.26x = 169,639.38 × 33,115.68
  4. Step 4: Simplify right side
    113,077.26x = 5,617,723,423.48
  5. Step 5: Solve for x
    x = 5,617,723,423.48/113,077.26
  6. Step 6: Final answer
    x = 49,680.40

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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.