Home / 170,171.58-255,132.09-57,821.52

Finding the Fourth Proportional to 170,171.58, 255,132.09 and 57,821.52

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Solution

The fourth proportional to 170,171.58, 255,132.09 and 57,821.52 is: 86,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,171.58 : 255,132.09 = 57,821.52 : x
  2. Step 2: Convert to fraction form
    170,171.58/255,132.09 = 57,821.52/x
  3. Step 3: Cross multiply
    170,171.58x = 255,132.09 × 57,821.52
  4. Step 4: Simplify right side
    170,171.58x = 14,752,125,244.58
  5. Step 5: Solve for x
    x = 14,752,125,244.58/170,171.58
  6. Step 6: Final answer
    x = 86,689.71

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1.5x scale

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.