Home / 68,184.98-102,293.56-21,437.85

Finding the Fourth Proportional to 68,184.98, 102,293.56 and 21,437.85

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Solution

The fourth proportional to 68,184.98, 102,293.56 and 21,437.85 is: 32,161.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,184.98 : 102,293.56 = 21,437.85 : x
  2. Step 2: Convert to fraction form
    68,184.98/102,293.56 = 21,437.85/x
  3. Step 3: Cross multiply
    68,184.98x = 102,293.56 × 21,437.85
  4. Step 4: Simplify right side
    68,184.98x = 2,192,953,995.25
  5. Step 5: Solve for x
    x = 2,192,953,995.25/68,184.98
  6. Step 6: Final answer
    x = 32,161.84

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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.