Home / 150,104.90-225,184.64-71,218.40

Finding the Fourth Proportional to 150,104.90, 225,184.64 and 71,218.40

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Solution

The fourth proportional to 150,104.90, 225,184.64 and 71,218.40 is: 106,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,104.90 : 225,184.64 = 71,218.40 : x
  2. Step 2: Convert to fraction form
    150,104.90/225,184.64 = 71,218.40/x
  3. Step 3: Cross multiply
    150,104.90x = 225,184.64 × 71,218.40
  4. Step 4: Simplify right side
    150,104.90x = 16,037,289,765.38
  5. Step 5: Solve for x
    x = 16,037,289,765.38/150,104.90
  6. Step 6: Final answer
    x = 106,840.55

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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.