Home / 170,480.42-235,363.78-151,565.20

Finding the Fourth Proportional to 170,480.42, 235,363.78 and 151,565.20

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Solution

The fourth proportional to 170,480.42, 235,363.78 and 151,565.20 is: 209,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,480.42 : 235,363.78 = 151,565.20 : x
  2. Step 2: Convert to fraction form
    170,480.42/235,363.78 = 151,565.20/x
  3. Step 3: Cross multiply
    170,480.42x = 235,363.78 × 151,565.20
  4. Step 4: Simplify right side
    170,480.42x = 35,672,959,739.70
  5. Step 5: Solve for x
    x = 35,672,959,739.70/170,480.42
  6. Step 6: Final answer
    x = 209,249.59

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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.