Home / 90,221.90-135,337.30-23,662.17

Finding the Fourth Proportional to 90,221.90, 135,337.30 and 23,662.17

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Solution

The fourth proportional to 90,221.90, 135,337.30 and 23,662.17 is: 35,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,221.90 : 135,337.30 = 23,662.17 : x
  2. Step 2: Convert to fraction form
    90,221.90/135,337.30 = 23,662.17/x
  3. Step 3: Cross multiply
    90,221.90x = 135,337.30 × 23,662.17
  4. Step 4: Simplify right side
    90,221.90x = 3,202,374,140.79
  5. Step 5: Solve for x
    x = 3,202,374,140.79/90,221.90
  6. Step 6: Final answer
    x = 35,494.42

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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.