Home / 149,107.30-223,515.15-133,360.90

Finding the Fourth Proportional to 149,107.30, 223,515.15 and 133,360.90

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Solution

The fourth proportional to 149,107.30, 223,515.15 and 133,360.90 is: 199,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,107.30 : 223,515.15 = 133,360.90 : x
  2. Step 2: Convert to fraction form
    149,107.30/223,515.15 = 133,360.90/x
  3. Step 3: Cross multiply
    149,107.30x = 223,515.15 × 133,360.90
  4. Step 4: Simplify right side
    149,107.30x = 29,808,181,567.64
  5. Step 5: Solve for x
    x = 29,808,181,567.64/149,107.30
  6. Step 6: Final answer
    x = 199,910.95

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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.