Home / 140,868.32-211,308.96-57,704

Finding the Fourth Proportional to 140,868.32, 211,308.96 and 57,704

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Solution

The fourth proportional to 140,868.32, 211,308.96 and 57,704 is: 86,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,868.32 : 211,308.96 = 57,704 : x
  2. Step 2: Convert to fraction form
    140,868.32/211,308.96 = 57,704/x
  3. Step 3: Cross multiply
    140,868.32x = 211,308.96 × 57,704
  4. Step 4: Simplify right side
    140,868.32x = 12,193,372,227.84
  5. Step 5: Solve for x
    x = 12,193,372,227.84/140,868.32
  6. Step 6: Final answer
    x = 86,558.65

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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.