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Finding the Fourth Proportional to 147,247.68, 203,204.16 and 80,179.68

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Solution

The fourth proportional to 147,247.68, 203,204.16 and 80,179.68 is: 110,649.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,247.68 : 203,204.16 = 80,179.68 : x
  2. Step 2: Convert to fraction form
    147,247.68/203,204.16 = 80,179.68/x
  3. Step 3: Cross multiply
    147,247.68x = 203,204.16 × 80,179.68
  4. Step 4: Simplify right side
    147,247.68x = 16,292,844,523.47
  5. Step 5: Solve for x
    x = 16,292,844,523.47/147,247.68
  6. Step 6: Final answer
    x = 110,649.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.