Home / 159,801.07-220,517.98-91,770.08

Finding the Fourth Proportional to 159,801.07, 220,517.98 and 91,770.08

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Solution

The fourth proportional to 159,801.07, 220,517.98 and 91,770.08 is: 126,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,801.07 : 220,517.98 = 91,770.08 : x
  2. Step 2: Convert to fraction form
    159,801.07/220,517.98 = 91,770.08/x
  3. Step 3: Cross multiply
    159,801.07x = 220,517.98 × 91,770.08
  4. Step 4: Simplify right side
    159,801.07x = 20,236,951,334.02
  5. Step 5: Solve for x
    x = 20,236,951,334.02/159,801.07
  6. Step 6: Final answer
    x = 126,638.40

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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.