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Finding the Fourth Proportional to 160,479.22, 221,443.44 and 88,841.30

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Solution

The fourth proportional to 160,479.22, 221,443.44 and 88,841.30 is: 122,591.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,479.22 : 221,443.44 = 88,841.30 : x
  2. Step 2: Convert to fraction form
    160,479.22/221,443.44 = 88,841.30/x
  3. Step 3: Cross multiply
    160,479.22x = 221,443.44 × 88,841.30
  4. Step 4: Simplify right side
    160,479.22x = 19,673,323,086.07
  5. Step 5: Solve for x
    x = 19,673,323,086.07/160,479.22
  6. Step 6: Final answer
    x = 122,591.09

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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.