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Finding the Fourth Proportional to 159,503.67, 220,146.84 and 91,566.54

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Solution

The fourth proportional to 159,503.67, 220,146.84 and 91,566.54 is: 126,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,503.67 : 220,146.84 = 91,566.54 : x
  2. Step 2: Convert to fraction form
    159,503.67/220,146.84 = 91,566.54/x
  3. Step 3: Cross multiply
    159,503.67x = 220,146.84 × 91,566.54
  4. Step 4: Simplify right side
    159,503.67x = 20,158,084,430.73
  5. Step 5: Solve for x
    x = 20,158,084,430.73/159,503.67
  6. Step 6: Final answer
    x = 126,380.07

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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.