Home / 166,619.80-249,997.74-87,803.56

Finding the Fourth Proportional to 166,619.80, 249,997.74 and 87,803.56

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Solution

The fourth proportional to 166,619.80, 249,997.74 and 87,803.56 is: 131,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,619.80 : 249,997.74 = 87,803.56 : x
  2. Step 2: Convert to fraction form
    166,619.80/249,997.74 = 87,803.56/x
  3. Step 3: Cross multiply
    166,619.80x = 249,997.74 × 87,803.56
  4. Step 4: Simplify right side
    166,619.80x = 21,950,691,563.95
  5. Step 5: Solve for x
    x = 21,950,691,563.95/166,619.80
  6. Step 6: Final answer
    x = 131,741.20

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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.