Home / 140,872.96-211,378.24-61,977.36

Finding the Fourth Proportional to 140,872.96, 211,378.24 and 61,977.36

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Solution

The fourth proportional to 140,872.96, 211,378.24 and 61,977.36 is: 92,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,872.96 : 211,378.24 = 61,977.36 : x
  2. Step 2: Convert to fraction form
    140,872.96/211,378.24 = 61,977.36/x
  3. Step 3: Cross multiply
    140,872.96x = 211,378.24 × 61,977.36
  4. Step 4: Simplify right side
    140,872.96x = 13,100,665,276.65
  5. Step 5: Solve for x
    x = 13,100,665,276.65/140,872.96
  6. Step 6: Final answer
    x = 92,996.31

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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.