Home / 135,089.60-202,634.56-35,249.72

Finding the Fourth Proportional to 135,089.60, 202,634.56 and 35,249.72

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Solution

The fourth proportional to 135,089.60, 202,634.56 and 35,249.72 is: 52,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,089.60 : 202,634.56 = 35,249.72 : x
  2. Step 2: Convert to fraction form
    135,089.60/202,634.56 = 35,249.72/x
  3. Step 3: Cross multiply
    135,089.60x = 202,634.56 × 35,249.72
  4. Step 4: Simplify right side
    135,089.60x = 7,142,811,502.32
  5. Step 5: Solve for x
    x = 7,142,811,502.32/135,089.60
  6. Step 6: Final answer
    x = 52,874.62

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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.