Home / 140,840.42-211,118.47-88,286.81

Finding the Fourth Proportional to 140,840.42, 211,118.47 and 88,286.81

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Solution

The fourth proportional to 140,840.42, 211,118.47 and 88,286.81 is: 132,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,840.42 : 211,118.47 = 88,286.81 : x
  2. Step 2: Convert to fraction form
    140,840.42/211,118.47 = 88,286.81/x
  3. Step 3: Cross multiply
    140,840.42x = 211,118.47 × 88,286.81
  4. Step 4: Simplify right side
    140,840.42x = 18,638,976,248.38
  5. Step 5: Solve for x
    x = 18,638,976,248.38/140,840.42
  6. Step 6: Final answer
    x = 132,341.10

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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.