Home / 113,780.26-170,746.56-47,220.44

Finding the Fourth Proportional to 113,780.26, 170,746.56 and 47,220.44

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Solution

The fourth proportional to 113,780.26, 170,746.56 and 47,220.44 is: 70,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,780.26 : 170,746.56 = 47,220.44 : x
  2. Step 2: Convert to fraction form
    113,780.26/170,746.56 = 47,220.44/x
  3. Step 3: Cross multiply
    113,780.26x = 170,746.56 × 47,220.44
  4. Step 4: Simplify right side
    113,780.26x = 8,062,727,691.69
  5. Step 5: Solve for x
    x = 8,062,727,691.69/113,780.26
  6. Step 6: Final answer
    x = 70,862.27

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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.