Home / 135,041.22-202,197.33-90,572.22

Finding the Fourth Proportional to 135,041.22, 202,197.33 and 90,572.22

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Solution

The fourth proportional to 135,041.22, 202,197.33 and 90,572.22 is: 135,613.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,041.22 : 202,197.33 = 90,572.22 : x
  2. Step 2: Convert to fraction form
    135,041.22/202,197.33 = 90,572.22/x
  3. Step 3: Cross multiply
    135,041.22x = 202,197.33 × 90,572.22
  4. Step 4: Simplify right side
    135,041.22x = 18,313,461,056.17
  5. Step 5: Solve for x
    x = 18,313,461,056.17/135,041.22
  6. Step 6: Final answer
    x = 135,613.86

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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.