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Finding the Fourth Proportional to 169,314.21, 254,002.41 and 138,002.04

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Solution

The fourth proportional to 169,314.21, 254,002.41 and 138,002.04 is: 207,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,314.21 : 254,002.41 = 138,002.04 : x
  2. Step 2: Convert to fraction form
    169,314.21/254,002.41 = 138,002.04/x
  3. Step 3: Cross multiply
    169,314.21x = 254,002.41 × 138,002.04
  4. Step 4: Simplify right side
    169,314.21x = 35,052,850,744.92
  5. Step 5: Solve for x
    x = 35,052,850,744.92/169,314.21
  6. Step 6: Final answer
    x = 207,028.40

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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.