Home / 127,082.26-190,624.76-38,336.54

Finding the Fourth Proportional to 127,082.26, 190,624.76 and 38,336.54

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Solution

The fourth proportional to 127,082.26, 190,624.76 and 38,336.54 is: 57,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,082.26 : 190,624.76 = 38,336.54 : x
  2. Step 2: Convert to fraction form
    127,082.26/190,624.76 = 38,336.54/x
  3. Step 3: Cross multiply
    127,082.26x = 190,624.76 × 38,336.54
  4. Step 4: Simplify right side
    127,082.26x = 7,307,892,735.69
  5. Step 5: Solve for x
    x = 7,307,892,735.69/127,082.26
  6. Step 6: Final answer
    x = 57,505.21

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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.