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Finding the Fourth Proportional to 169,659.20, 254,517.60 and 51,329.60

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Solution

The fourth proportional to 169,659.20, 254,517.60 and 51,329.60 is: 77,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,659.20 : 254,517.60 = 51,329.60 : x
  2. Step 2: Convert to fraction form
    169,659.20/254,517.60 = 51,329.60/x
  3. Step 3: Cross multiply
    169,659.20x = 254,517.60 × 51,329.60
  4. Step 4: Simplify right side
    169,659.20x = 13,064,286,600.96
  5. Step 5: Solve for x
    x = 13,064,286,600.96/169,659.20
  6. Step 6: Final answer
    x = 77,003.11

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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.