Home / 137,560.74-206,399.43-75,158.34

Finding the Fourth Proportional to 137,560.74, 206,399.43 and 75,158.34

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Solution

The fourth proportional to 137,560.74, 206,399.43 and 75,158.34 is: 112,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,560.74 : 206,399.43 = 75,158.34 : x
  2. Step 2: Convert to fraction form
    137,560.74/206,399.43 = 75,158.34/x
  3. Step 3: Cross multiply
    137,560.74x = 206,399.43 × 75,158.34
  4. Step 4: Simplify right side
    137,560.74x = 15,512,638,535.75
  5. Step 5: Solve for x
    x = 15,512,638,535.75/137,560.74
  6. Step 6: Final answer
    x = 112,769.37

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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.