Home / 126,353.25-174,389.76-75,369.15

Finding the Fourth Proportional to 126,353.25, 174,389.76 and 75,369.15

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Solution

The fourth proportional to 126,353.25, 174,389.76 and 75,369.15 is: 104,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,353.25 : 174,389.76 = 75,369.15 : x
  2. Step 2: Convert to fraction form
    126,353.25/174,389.76 = 75,369.15/x
  3. Step 3: Cross multiply
    126,353.25x = 174,389.76 × 75,369.15
  4. Step 4: Simplify right side
    126,353.25x = 13,143,607,979.90
  5. Step 5: Solve for x
    x = 13,143,607,979.90/126,353.25
  6. Step 6: Final answer
    x = 104,022.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.