Home / 159,738.72-220,430.52-88,104.48

Finding the Fourth Proportional to 159,738.72, 220,430.52 and 88,104.48

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Solution

The fourth proportional to 159,738.72, 220,430.52 and 88,104.48 is: 121,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,738.72 : 220,430.52 = 88,104.48 : x
  2. Step 2: Convert to fraction form
    159,738.72/220,430.52 = 88,104.48/x
  3. Step 3: Cross multiply
    159,738.72x = 220,430.52 × 88,104.48
  4. Step 4: Simplify right side
    159,738.72x = 19,420,916,340.73
  5. Step 5: Solve for x
    x = 19,420,916,340.73/159,738.72
  6. Step 6: Final answer
    x = 121,579.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.