Home / 156,244.28-234,372.20-80,322.48

Finding the Fourth Proportional to 156,244.28, 234,372.20 and 80,322.48

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Solution

The fourth proportional to 156,244.28, 234,372.20 and 80,322.48 is: 120,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,244.28 : 234,372.20 = 80,322.48 : x
  2. Step 2: Convert to fraction form
    156,244.28/234,372.20 = 80,322.48/x
  3. Step 3: Cross multiply
    156,244.28x = 234,372.20 × 80,322.48
  4. Step 4: Simplify right side
    156,244.28x = 18,825,356,347.06
  5. Step 5: Solve for x
    x = 18,825,356,347.06/156,244.28
  6. Step 6: Final answer
    x = 120,486.69

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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.