Home / 106,291.20-159,393.06-84,158.76

Finding the Fourth Proportional to 106,291.20, 159,393.06 and 84,158.76

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Solution

The fourth proportional to 106,291.20, 159,393.06 and 84,158.76 is: 126,203.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,291.20 : 159,393.06 = 84,158.76 : x
  2. Step 2: Convert to fraction form
    106,291.20/159,393.06 = 84,158.76/x
  3. Step 3: Cross multiply
    106,291.20x = 159,393.06 × 84,158.76
  4. Step 4: Simplify right side
    106,291.20x = 13,414,322,282.21
  5. Step 5: Solve for x
    x = 13,414,322,282.21/106,291.20
  6. Step 6: Final answer
    x = 126,203.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.