Home / 140,703.21-211,005-51,932.88

Finding the Fourth Proportional to 140,703.21, 211,005 and 51,932.88

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Solution

The fourth proportional to 140,703.21, 211,005 and 51,932.88 is: 77,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703.21 : 211,005 = 51,932.88 : x
  2. Step 2: Convert to fraction form
    140,703.21/211,005 = 51,932.88/x
  3. Step 3: Cross multiply
    140,703.21x = 211,005 × 51,932.88
  4. Step 4: Simplify right side
    140,703.21x = 10,958,097,344.40
  5. Step 5: Solve for x
    x = 10,958,097,344.40/140,703.21
  6. Step 6: Final answer
    x = 77,880.93

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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.