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Finding the Fourth Proportional to 160,878.78, 222,016.84 and 88,284.80

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Solution

The fourth proportional to 160,878.78, 222,016.84 and 88,284.80 is: 121,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,878.78 : 222,016.84 = 88,284.80 : x
  2. Step 2: Convert to fraction form
    160,878.78/222,016.84 = 88,284.80/x
  3. Step 3: Cross multiply
    160,878.78x = 222,016.84 × 88,284.80
  4. Step 4: Simplify right side
    160,878.78x = 19,600,712,316.03
  5. Step 5: Solve for x
    x = 19,600,712,316.03/160,878.78
  6. Step 6: Final answer
    x = 121,835.29

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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.