Home / 113,286.43-156,296.33-70,250.45

Finding the Fourth Proportional to 113,286.43, 156,296.33 and 70,250.45

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Solution

The fourth proportional to 113,286.43, 156,296.33 and 70,250.45 is: 96,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,286.43 : 156,296.33 = 70,250.45 : x
  2. Step 2: Convert to fraction form
    113,286.43/156,296.33 = 70,250.45/x
  3. Step 3: Cross multiply
    113,286.43x = 156,296.33 × 70,250.45
  4. Step 4: Simplify right side
    113,286.43x = 10,979,887,515.85
  5. Step 5: Solve for x
    x = 10,979,887,515.85/113,286.43
  6. Step 6: Final answer
    x = 96,921.47

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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.