Home / 156,067.75-234,140.51-45,259.75

Finding the Fourth Proportional to 156,067.75, 234,140.51 and 45,259.75

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Solution

The fourth proportional to 156,067.75, 234,140.51 and 45,259.75 is: 67,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,067.75 : 234,140.51 = 45,259.75 : x
  2. Step 2: Convert to fraction form
    156,067.75/234,140.51 = 45,259.75/x
  3. Step 3: Cross multiply
    156,067.75x = 234,140.51 × 45,259.75
  4. Step 4: Simplify right side
    156,067.75x = 10,597,140,947.47
  5. Step 5: Solve for x
    x = 10,597,140,947.47/156,067.75
  6. Step 6: Final answer
    x = 67,900.90

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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.