Home / 127,147.14-190,723.95-38,403.54

Finding the Fourth Proportional to 127,147.14, 190,723.95 and 38,403.54

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Solution

The fourth proportional to 127,147.14, 190,723.95 and 38,403.54 is: 57,606.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,147.14 : 190,723.95 = 38,403.54 : x
  2. Step 2: Convert to fraction form
    127,147.14/190,723.95 = 38,403.54/x
  3. Step 3: Cross multiply
    127,147.14x = 190,723.95 × 38,403.54
  4. Step 4: Simplify right side
    127,147.14x = 7,324,474,842.78
  5. Step 5: Solve for x
    x = 7,324,474,842.78/127,147.14
  6. Step 6: Final answer
    x = 57,606.29

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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.