Home / 199,318.40-299,058.24-80,959.04

Finding the Fourth Proportional to 199,318.40, 299,058.24 and 80,959.04

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Solution

The fourth proportional to 199,318.40, 299,058.24 and 80,959.04 is: 121,471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,318.40 : 299,058.24 = 80,959.04 : x
  2. Step 2: Convert to fraction form
    199,318.40/299,058.24 = 80,959.04/x
  3. Step 3: Cross multiply
    199,318.40x = 299,058.24 × 80,959.04
  4. Step 4: Simplify right side
    199,318.40x = 24,211,468,014.49
  5. Step 5: Solve for x
    x = 24,211,468,014.49/199,318.40
  6. Step 6: Final answer
    x = 121,471.31

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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.