Home / 158,976.21-238,471.61-112,436.85

Finding the Fourth Proportional to 158,976.21, 238,471.61 and 112,436.85

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Solution

The fourth proportional to 158,976.21, 238,471.61 and 112,436.85 is: 168,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976.21 : 238,471.61 = 112,436.85 : x
  2. Step 2: Convert to fraction form
    158,976.21/238,471.61 = 112,436.85/x
  3. Step 3: Cross multiply
    158,976.21x = 238,471.61 × 112,436.85
  4. Step 4: Simplify right side
    158,976.21x = 26,812,996,080.64
  5. Step 5: Solve for x
    x = 26,812,996,080.64/158,976.21
  6. Step 6: Final answer
    x = 168,660.43

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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.