Home / 170,231.10-255,346.65-157,400.70

Finding the Fourth Proportional to 170,231.10, 255,346.65 and 157,400.70

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Solution

The fourth proportional to 170,231.10, 255,346.65 and 157,400.70 is: 236,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,231.10 : 255,346.65 = 157,400.70 : x
  2. Step 2: Convert to fraction form
    170,231.10/255,346.65 = 157,400.70/x
  3. Step 3: Cross multiply
    170,231.10x = 255,346.65 × 157,400.70
  4. Step 4: Simplify right side
    170,231.10x = 40,191,741,452.66
  5. Step 5: Solve for x
    x = 40,191,741,452.66/170,231.10
  6. Step 6: Final answer
    x = 236,101.05

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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.