Home / 170,001.55-255,057.77-81,262

Finding the Fourth Proportional to 170,001.55, 255,057.77 and 81,262

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Solution

The fourth proportional to 170,001.55, 255,057.77 and 81,262 is: 121,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,001.55 : 255,057.77 = 81,262 : x
  2. Step 2: Convert to fraction form
    170,001.55/255,057.77 = 81,262/x
  3. Step 3: Cross multiply
    170,001.55x = 255,057.77 × 81,262
  4. Step 4: Simplify right side
    170,001.55x = 20,726,504,505.74
  5. Step 5: Solve for x
    x = 20,726,504,505.74/170,001.55
  6. Step 6: Final answer
    x = 121,919.50

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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.