Home / 90,396.90-135,594.63-27,216.81

Finding the Fourth Proportional to 90,396.90, 135,594.63 and 27,216.81

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Solution

The fourth proportional to 90,396.90, 135,594.63 and 27,216.81 is: 40,825.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,396.90 : 135,594.63 = 27,216.81 : x
  2. Step 2: Convert to fraction form
    90,396.90/135,594.63 = 27,216.81/x
  3. Step 3: Cross multiply
    90,396.90x = 135,594.63 × 27,216.81
  4. Step 4: Simplify right side
    90,396.90x = 3,690,453,281.73
  5. Step 5: Solve for x
    x = 3,690,453,281.73/90,396.90
  6. Step 6: Final answer
    x = 40,825.00

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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.