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Finding the Fourth Proportional to 167,074.53, 250,658.04 and 77,144.76

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Solution

The fourth proportional to 167,074.53, 250,658.04 and 77,144.76 is: 115,738.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,074.53 : 250,658.04 = 77,144.76 : x
  2. Step 2: Convert to fraction form
    167,074.53/250,658.04 = 77,144.76/x
  3. Step 3: Cross multiply
    167,074.53x = 250,658.04 × 77,144.76
  4. Step 4: Simplify right side
    167,074.53x = 19,336,954,337.87
  5. Step 5: Solve for x
    x = 19,336,954,337.87/167,074.53
  6. Step 6: Final answer
    x = 115,738.49

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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.