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Finding the Fourth Proportional to 159,754.87, 220,460.48 and 88,137.91

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Solution

The fourth proportional to 159,754.87, 220,460.48 and 88,137.91 is: 121,629.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,754.87 : 220,460.48 = 88,137.91 : x
  2. Step 2: Convert to fraction form
    159,754.87/220,460.48 = 88,137.91/x
  3. Step 3: Cross multiply
    159,754.87x = 220,460.48 × 88,137.91
  4. Step 4: Simplify right side
    159,754.87x = 19,430,925,062.84
  5. Step 5: Solve for x
    x = 19,430,925,062.84/159,754.87
  6. Step 6: Final answer
    x = 121,629.63

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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.