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Finding the Fourth Proportional to 159,653.71, 220,310.83 and 88,032.20

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Solution

The fourth proportional to 159,653.71, 220,310.83 and 88,032.20 is: 121,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,653.71 : 220,310.83 = 88,032.20 : x
  2. Step 2: Convert to fraction form
    159,653.71/220,310.83 = 88,032.20/x
  3. Step 3: Cross multiply
    159,653.71x = 220,310.83 × 88,032.20
  4. Step 4: Simplify right side
    159,653.71x = 19,394,447,048.73
  5. Step 5: Solve for x
    x = 19,394,447,048.73/159,653.71
  6. Step 6: Final answer
    x = 121,478.21

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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.