Home / 135,004.20-202,506.30-90,767.40

Finding the Fourth Proportional to 135,004.20, 202,506.30 and 90,767.40

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Solution

The fourth proportional to 135,004.20, 202,506.30 and 90,767.40 is: 136,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,004.20 : 202,506.30 = 90,767.40 : x
  2. Step 2: Convert to fraction form
    135,004.20/202,506.30 = 90,767.40/x
  3. Step 3: Cross multiply
    135,004.20x = 202,506.30 × 90,767.40
  4. Step 4: Simplify right side
    135,004.20x = 18,380,970,334.62
  5. Step 5: Solve for x
    x = 18,380,970,334.62/135,004.20
  6. Step 6: Final answer
    x = 136,151.10

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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.