Home / 159,739.02-220,440.06-91,769.22

Finding the Fourth Proportional to 159,739.02, 220,440.06 and 91,769.22

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Solution

The fourth proportional to 159,739.02, 220,440.06 and 91,769.22 is: 126,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,739.02 : 220,440.06 = 91,769.22 : x
  2. Step 2: Convert to fraction form
    159,739.02/220,440.06 = 91,769.22/x
  3. Step 3: Cross multiply
    159,739.02x = 220,440.06 × 91,769.22
  4. Step 4: Simplify right side
    159,739.02x = 20,229,612,362.95
  5. Step 5: Solve for x
    x = 20,229,612,362.95/159,739.02
  6. Step 6: Final answer
    x = 126,641.65

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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.