Home / 148,581.56-222,872.31-69,695.78

Finding the Fourth Proportional to 148,581.56, 222,872.31 and 69,695.78

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Solution

The fourth proportional to 148,581.56, 222,872.31 and 69,695.78 is: 104,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,581.56 : 222,872.31 = 69,695.78 : x
  2. Step 2: Convert to fraction form
    148,581.56/222,872.31 = 69,695.78/x
  3. Step 3: Cross multiply
    148,581.56x = 222,872.31 × 69,695.78
  4. Step 4: Simplify right side
    148,581.56x = 15,533,259,137.37
  5. Step 5: Solve for x
    x = 15,533,259,137.37/148,581.56
  6. Step 6: Final answer
    x = 104,543.66

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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.