Home / 149,715.39-224,453.88-86,463.57

Finding the Fourth Proportional to 149,715.39, 224,453.88 and 86,463.57

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Solution

The fourth proportional to 149,715.39, 224,453.88 and 86,463.57 is: 129,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,715.39 : 224,453.88 = 86,463.57 : x
  2. Step 2: Convert to fraction form
    149,715.39/224,453.88 = 86,463.57/x
  3. Step 3: Cross multiply
    149,715.39x = 224,453.88 × 86,463.57
  4. Step 4: Simplify right side
    149,715.39x = 19,407,083,765.15
  5. Step 5: Solve for x
    x = 19,407,083,765.15/149,715.39
  6. Step 6: Final answer
    x = 129,626.51

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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.