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Finding the Fourth Proportional to 169,232.40, 254,140.20 and 90,500.40

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Solution

The fourth proportional to 169,232.40, 254,140.20 and 90,500.40 is: 135,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,232.40 : 254,140.20 = 90,500.40 : x
  2. Step 2: Convert to fraction form
    169,232.40/254,140.20 = 90,500.40/x
  3. Step 3: Cross multiply
    169,232.40x = 254,140.20 × 90,500.40
  4. Step 4: Simplify right side
    169,232.40x = 22,999,789,756.08
  5. Step 5: Solve for x
    x = 22,999,789,756.08/169,232.40
  6. Step 6: Final answer
    x = 135,906.54

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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.