Home / 168,531.15-252,797.41-42,171.05

Finding the Fourth Proportional to 168,531.15, 252,797.41 and 42,171.05

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Solution

The fourth proportional to 168,531.15, 252,797.41 and 42,171.05 is: 63,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,531.15 : 252,797.41 = 42,171.05 : x
  2. Step 2: Convert to fraction form
    168,531.15/252,797.41 = 42,171.05/x
  3. Step 3: Cross multiply
    168,531.15x = 252,797.41 × 42,171.05
  4. Step 4: Simplify right side
    168,531.15x = 10,660,730,952.99
  5. Step 5: Solve for x
    x = 10,660,730,952.99/168,531.15
  6. Step 6: Final answer
    x = 63,256.74

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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.