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Finding the Fourth Proportional to 159,801.54, 220,526.94 and 88,181.64

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Solution

The fourth proportional to 159,801.54, 220,526.94 and 88,181.64 is: 121,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,801.54 : 220,526.94 = 88,181.64 : x
  2. Step 2: Convert to fraction form
    159,801.54/220,526.94 = 88,181.64/x
  3. Step 3: Cross multiply
    159,801.54x = 220,526.94 × 88,181.64
  4. Step 4: Simplify right side
    159,801.54x = 19,446,427,233.38
  5. Step 5: Solve for x
    x = 19,446,427,233.38/159,801.54
  6. Step 6: Final answer
    x = 121,691.11

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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.