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Finding the Fourth Proportional to 168,102.60, 252,153.90 and 155,272.20

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Solution

The fourth proportional to 168,102.60, 252,153.90 and 155,272.20 is: 232,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,102.60 : 252,153.90 = 155,272.20 : x
  2. Step 2: Convert to fraction form
    168,102.60/252,153.90 = 155,272.20/x
  3. Step 3: Cross multiply
    168,102.60x = 252,153.90 × 155,272.20
  4. Step 4: Simplify right side
    168,102.60x = 39,152,490,791.58
  5. Step 5: Solve for x
    x = 39,152,490,791.58/168,102.60
  6. Step 6: Final answer
    x = 232,908.30

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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.