Home / 102,170.22-140,993.55-57,458.22

Finding the Fourth Proportional to 102,170.22, 140,993.55 and 57,458.22

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Solution

The fourth proportional to 102,170.22, 140,993.55 and 57,458.22 is: 79,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,170.22 : 140,993.55 = 57,458.22 : x
  2. Step 2: Convert to fraction form
    102,170.22/140,993.55 = 57,458.22/x
  3. Step 3: Cross multiply
    102,170.22x = 140,993.55 × 57,458.22
  4. Step 4: Simplify right side
    102,170.22x = 8,101,238,414.48
  5. Step 5: Solve for x
    x = 8,101,238,414.48/102,170.22
  6. Step 6: Final answer
    x = 79,291.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.