Home / 159,454.36-220,048.14-91,474.30

Finding the Fourth Proportional to 159,454.36, 220,048.14 and 91,474.30

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Solution

The fourth proportional to 159,454.36, 220,048.14 and 91,474.30 is: 126,235.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,454.36 : 220,048.14 = 91,474.30 : x
  2. Step 2: Convert to fraction form
    159,454.36/220,048.14 = 91,474.30/x
  3. Step 3: Cross multiply
    159,454.36x = 220,048.14 × 91,474.30
  4. Step 4: Simplify right side
    159,454.36x = 20,128,749,572.80
  5. Step 5: Solve for x
    x = 20,128,749,572.80/159,454.36
  6. Step 6: Final answer
    x = 126,235.18

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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.