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Finding the Fourth Proportional to 160,876.81, 222,036.49 and 89,279.89

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Solution

The fourth proportional to 160,876.81, 222,036.49 and 89,279.89 is: 123,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,876.81 : 222,036.49 = 89,279.89 : x
  2. Step 2: Convert to fraction form
    160,876.81/222,036.49 = 89,279.89/x
  3. Step 3: Cross multiply
    160,876.81x = 222,036.49 × 89,279.89
  4. Step 4: Simplify right side
    160,876.81x = 19,823,393,706.45
  5. Step 5: Solve for x
    x = 19,823,393,706.45/160,876.81
  6. Step 6: Final answer
    x = 123,220.96

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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.