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Finding the Fourth Proportional to 159,855.81, 220,601.03 and 88,235.85

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Solution

The fourth proportional to 159,855.81, 220,601.03 and 88,235.85 is: 121,765.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,855.81 : 220,601.03 = 88,235.85 : x
  2. Step 2: Convert to fraction form
    159,855.81/220,601.03 = 88,235.85/x
  3. Step 3: Cross multiply
    159,855.81x = 220,601.03 × 88,235.85
  4. Step 4: Simplify right side
    159,855.81x = 19,464,919,392.93
  5. Step 5: Solve for x
    x = 19,464,919,392.93/159,855.81
  6. Step 6: Final answer
    x = 121,765.48

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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.