Home / 159,843.08-220,583.00-88,222.61

Finding the Fourth Proportional to 159,843.08, 220,583.00 and 88,222.61

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Solution

The fourth proportional to 159,843.08, 220,583.00 and 88,222.61 is: 121,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,843.08 : 220,583.00 = 88,222.61 : x
  2. Step 2: Convert to fraction form
    159,843.08/220,583.00 = 88,222.61/x
  3. Step 3: Cross multiply
    159,843.08x = 220,583.00 × 88,222.61
  4. Step 4: Simplify right side
    159,843.08x = 19,460,406,437.60
  5. Step 5: Solve for x
    x = 19,460,406,437.60/159,843.08
  6. Step 6: Final answer
    x = 121,746.95

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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.