Home / 90,440.20-135,660.30-37,844.20

Finding the Fourth Proportional to 90,440.20, 135,660.30 and 37,844.20

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Solution

The fourth proportional to 90,440.20, 135,660.30 and 37,844.20 is: 56,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,440.20 : 135,660.30 = 37,844.20 : x
  2. Step 2: Convert to fraction form
    90,440.20/135,660.30 = 37,844.20/x
  3. Step 3: Cross multiply
    90,440.20x = 135,660.30 × 37,844.20
  4. Step 4: Simplify right side
    90,440.20x = 5,133,955,525.26
  5. Step 5: Solve for x
    x = 5,133,955,525.26/90,440.20
  6. Step 6: Final answer
    x = 56,766.30

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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.