Home / 156,135.88-234,210.30-45,327.88

Finding the Fourth Proportional to 156,135.88, 234,210.30 and 45,327.88

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Solution

The fourth proportional to 156,135.88, 234,210.30 and 45,327.88 is: 67,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135.88 : 234,210.30 = 45,327.88 : x
  2. Step 2: Convert to fraction form
    156,135.88/234,210.30 = 45,327.88/x
  3. Step 3: Cross multiply
    156,135.88x = 234,210.30 × 45,327.88
  4. Step 4: Simplify right side
    156,135.88x = 10,616,256,146.52
  5. Step 5: Solve for x
    x = 10,616,256,146.52/156,135.88
  6. Step 6: Final answer
    x = 67,993.70

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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.