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Finding the Fourth Proportional to 159,650.01, 220,316.79 and 88,030.21

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Solution

The fourth proportional to 159,650.01, 220,316.79 and 88,030.21 is: 121,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,650.01 : 220,316.79 = 88,030.21 : x
  2. Step 2: Convert to fraction form
    159,650.01/220,316.79 = 88,030.21/x
  3. Step 3: Cross multiply
    159,650.01x = 220,316.79 × 88,030.21
  4. Step 4: Simplify right side
    159,650.01x = 19,394,531,810.42
  5. Step 5: Solve for x
    x = 19,394,531,810.42/159,650.01
  6. Step 6: Final answer
    x = 121,481.55

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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.