Home / 124,764.75-172,176.57-68,177.34

Finding the Fourth Proportional to 124,764.75, 172,176.57 and 68,177.34

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Solution

The fourth proportional to 124,764.75, 172,176.57 and 68,177.34 is: 94,085.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,764.75 : 172,176.57 = 68,177.34 : x
  2. Step 2: Convert to fraction form
    124,764.75/172,176.57 = 68,177.34/x
  3. Step 3: Cross multiply
    124,764.75x = 172,176.57 × 68,177.34
  4. Step 4: Simplify right side
    124,764.75x = 11,738,540,552.92
  5. Step 5: Solve for x
    x = 11,738,540,552.92/124,764.75
  6. Step 6: Final answer
    x = 94,085.39

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1.5x scale

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.