Home / 161,350.10-222,659.29-87,760.68

Finding the Fourth Proportional to 161,350.10, 222,659.29 and 87,760.68

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Solution

The fourth proportional to 161,350.10, 222,659.29 and 87,760.68 is: 121,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,350.10 : 222,659.29 = 87,760.68 : x
  2. Step 2: Convert to fraction form
    161,350.10/222,659.29 = 87,760.68/x
  3. Step 3: Cross multiply
    161,350.10x = 222,659.29 × 87,760.68
  4. Step 4: Simplify right side
    161,350.10x = 19,540,730,698.72
  5. Step 5: Solve for x
    x = 19,540,730,698.72/161,350.10
  6. Step 6: Final answer
    x = 121,107.65

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1.5x scale

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.