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Finding the Fourth Proportional to 168,174.84, 252,280.74 and 83,956.14

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Solution

The fourth proportional to 168,174.84, 252,280.74 and 83,956.14 is: 125,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,174.84 : 252,280.74 = 83,956.14 : x
  2. Step 2: Convert to fraction form
    168,174.84/252,280.74 = 83,956.14/x
  3. Step 3: Cross multiply
    168,174.84x = 252,280.74 × 83,956.14
  4. Step 4: Simplify right side
    168,174.84x = 21,180,517,126.74
  5. Step 5: Solve for x
    x = 21,180,517,126.74/168,174.84
  6. Step 6: Final answer
    x = 125,943.44

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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.