Home / 140,840.29-211,118.28-88,286.68

Finding the Fourth Proportional to 140,840.29, 211,118.28 and 88,286.68

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Solution

The fourth proportional to 140,840.29, 211,118.28 and 88,286.68 is: 132,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,840.29 : 211,118.28 = 88,286.68 : x
  2. Step 2: Convert to fraction form
    140,840.29/211,118.28 = 88,286.68/x
  3. Step 3: Cross multiply
    140,840.29x = 211,118.28 × 88,286.68
  4. Step 4: Simplify right side
    140,840.29x = 18,638,932,028.51
  5. Step 5: Solve for x
    x = 18,638,932,028.51/140,840.29
  6. Step 6: Final answer
    x = 132,340.91

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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.