Home / 245,249.22-367,967.23-85,342.92

Finding the Fourth Proportional to 245,249.22, 367,967.23 and 85,342.92

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Solution

The fourth proportional to 245,249.22, 367,967.23 and 85,342.92 is: 128,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,249.22 : 367,967.23 = 85,342.92 : x
  2. Step 2: Convert to fraction form
    245,249.22/367,967.23 = 85,342.92/x
  3. Step 3: Cross multiply
    245,249.22x = 367,967.23 × 85,342.92
  4. Step 4: Simplify right side
    245,249.22x = 31,403,397,872.51
  5. Step 5: Solve for x
    x = 31,403,397,872.51/245,249.22
  6. Step 6: Final answer
    x = 128,046.88

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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.