Home / 113,360.20-170,105.10-43,289.80

Finding the Fourth Proportional to 113,360.20, 170,105.10 and 43,289.80

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Solution

The fourth proportional to 113,360.20, 170,105.10 and 43,289.80 is: 64,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,360.20 : 170,105.10 = 43,289.80 : x
  2. Step 2: Convert to fraction form
    113,360.20/170,105.10 = 43,289.80/x
  3. Step 3: Cross multiply
    113,360.20x = 170,105.10 × 43,289.80
  4. Step 4: Simplify right side
    113,360.20x = 7,363,815,757.98
  5. Step 5: Solve for x
    x = 7,363,815,757.98/113,360.20
  6. Step 6: Final answer
    x = 64,959.45

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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.