Home / 90,451.57-135,683.84-23,891.04

Finding the Fourth Proportional to 90,451.57, 135,683.84 and 23,891.04

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Solution

The fourth proportional to 90,451.57, 135,683.84 and 23,891.04 is: 35,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,451.57 : 135,683.84 = 23,891.04 : x
  2. Step 2: Convert to fraction form
    90,451.57/135,683.84 = 23,891.04/x
  3. Step 3: Cross multiply
    90,451.57x = 135,683.84 × 23,891.04
  4. Step 4: Simplify right side
    90,451.57x = 3,241,628,048.79
  5. Step 5: Solve for x
    x = 3,241,628,048.79/90,451.57
  6. Step 6: Final answer
    x = 35,838.27

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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.