Home / 113,556.10-170,334.15-71,565.70

Finding the Fourth Proportional to 113,556.10, 170,334.15 and 71,565.70

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Solution

The fourth proportional to 113,556.10, 170,334.15 and 71,565.70 is: 107,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,556.10 : 170,334.15 = 71,565.70 : x
  2. Step 2: Convert to fraction form
    113,556.10/170,334.15 = 71,565.70/x
  3. Step 3: Cross multiply
    113,556.10x = 170,334.15 × 71,565.70
  4. Step 4: Simplify right side
    113,556.10x = 12,190,082,678.66
  5. Step 5: Solve for x
    x = 12,190,082,678.66/113,556.10
  6. Step 6: Final answer
    x = 107,348.55

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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.