Home / 159,682.06-220,351.16-91,651.18

Finding the Fourth Proportional to 159,682.06, 220,351.16 and 91,651.18

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Solution

The fourth proportional to 159,682.06, 220,351.16 and 91,651.18 is: 126,472.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,682.06 : 220,351.16 = 91,651.18 : x
  2. Step 2: Convert to fraction form
    159,682.06/220,351.16 = 91,651.18/x
  3. Step 3: Cross multiply
    159,682.06x = 220,351.16 × 91,651.18
  4. Step 4: Simplify right side
    159,682.06x = 20,195,443,828.37
  5. Step 5: Solve for x
    x = 20,195,443,828.37/159,682.06
  6. Step 6: Final answer
    x = 126,472.84

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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.