Home / 149,291.12-223,381.68-89,349.54

Finding the Fourth Proportional to 149,291.12, 223,381.68 and 89,349.54

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Solution

The fourth proportional to 149,291.12, 223,381.68 and 89,349.54 is: 133,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,291.12 : 223,381.68 = 89,349.54 : x
  2. Step 2: Convert to fraction form
    149,291.12/223,381.68 = 89,349.54/x
  3. Step 3: Cross multiply
    149,291.12x = 223,381.68 × 89,349.54
  4. Step 4: Simplify right side
    149,291.12x = 19,959,050,352.43
  5. Step 5: Solve for x
    x = 19,959,050,352.43/149,291.12
  6. Step 6: Final answer
    x = 133,692.15

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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.