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Finding the Fourth Proportional to 169,338.63, 254,160.24 and 90,520.23

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Solution

The fourth proportional to 169,338.63, 254,160.24 and 90,520.23 is: 135,861.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,338.63 : 254,160.24 = 90,520.23 : x
  2. Step 2: Convert to fraction form
    169,338.63/254,160.24 = 90,520.23/x
  3. Step 3: Cross multiply
    169,338.63x = 254,160.24 × 90,520.23
  4. Step 4: Simplify right side
    169,338.63x = 23,006,643,381.66
  5. Step 5: Solve for x
    x = 23,006,643,381.66/169,338.63
  6. Step 6: Final answer
    x = 135,861.75

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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.