Home / 126,882.64-190,309.14-50,978.11

Finding the Fourth Proportional to 126,882.64, 190,309.14 and 50,978.11

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Solution

The fourth proportional to 126,882.64, 190,309.14 and 50,978.11 is: 76,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,882.64 : 190,309.14 = 50,978.11 : x
  2. Step 2: Convert to fraction form
    126,882.64/190,309.14 = 50,978.11/x
  3. Step 3: Cross multiply
    126,882.64x = 190,309.14 × 50,978.11
  4. Step 4: Simplify right side
    126,882.64x = 9,701,599,762.11
  5. Step 5: Solve for x
    x = 9,701,599,762.11/126,882.64
  6. Step 6: Final answer
    x = 76,461.21

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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.