Home / 157,331.18-235,799.66-123,919.26

Finding the Fourth Proportional to 157,331.18, 235,799.66 and 123,919.26

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Solution

The fourth proportional to 157,331.18, 235,799.66 and 123,919.26 is: 185,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,331.18 : 235,799.66 = 123,919.26 : x
  2. Step 2: Convert to fraction form
    157,331.18/235,799.66 = 123,919.26/x
  3. Step 3: Cross multiply
    157,331.18x = 235,799.66 × 123,919.26
  4. Step 4: Simplify right side
    157,331.18x = 29,220,119,375.45
  5. Step 5: Solve for x
    x = 29,220,119,375.45/157,331.18
  6. Step 6: Final answer
    x = 185,723.64

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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.