Home / 170,456.06-255,768.57-125,366.20

Finding the Fourth Proportional to 170,456.06, 255,768.57 and 125,366.20

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Solution

The fourth proportional to 170,456.06, 255,768.57 and 125,366.20 is: 188,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,456.06 : 255,768.57 = 125,366.20 : x
  2. Step 2: Convert to fraction form
    170,456.06/255,768.57 = 125,366.20/x
  3. Step 3: Cross multiply
    170,456.06x = 255,768.57 × 125,366.20
  4. Step 4: Simplify right side
    170,456.06x = 32,064,733,060.91
  5. Step 5: Solve for x
    x = 32,064,733,060.91/170,456.06
  6. Step 6: Final answer
    x = 188,111.43

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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.