Home / 149,736.20-224,246.23-86,364.21

Finding the Fourth Proportional to 149,736.20, 224,246.23 and 86,364.21

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Solution

The fourth proportional to 149,736.20, 224,246.23 and 86,364.21 is: 129,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,736.20 : 224,246.23 = 86,364.21 : x
  2. Step 2: Convert to fraction form
    149,736.20/224,246.23 = 86,364.21/x
  3. Step 3: Cross multiply
    149,736.20x = 224,246.23 × 86,364.21
  4. Step 4: Simplify right side
    149,736.20x = 19,366,848,499.43
  5. Step 5: Solve for x
    x = 19,366,848,499.43/149,736.20
  6. Step 6: Final answer
    x = 129,339.79

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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.