Home / 135,196.22-202,616.84-99,490.34

Finding the Fourth Proportional to 135,196.22, 202,616.84 and 99,490.34

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Solution

The fourth proportional to 135,196.22, 202,616.84 and 99,490.34 is: 149,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,196.22 : 202,616.84 = 99,490.34 : x
  2. Step 2: Convert to fraction form
    135,196.22/202,616.84 = 99,490.34/x
  3. Step 3: Cross multiply
    135,196.22x = 202,616.84 × 99,490.34
  4. Step 4: Simplify right side
    135,196.22x = 20,158,418,301.33
  5. Step 5: Solve for x
    x = 20,158,418,301.33/135,196.22
  6. Step 6: Final answer
    x = 149,104.90

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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.