Home / 126,197.17-189,291.62-51,295.21

Finding the Fourth Proportional to 126,197.17, 189,291.62 and 51,295.21

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Solution

The fourth proportional to 126,197.17, 189,291.62 and 51,295.21 is: 76,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,197.17 : 189,291.62 = 51,295.21 : x
  2. Step 2: Convert to fraction form
    126,197.17/189,291.62 = 51,295.21/x
  3. Step 3: Cross multiply
    126,197.17x = 189,291.62 × 51,295.21
  4. Step 4: Simplify right side
    126,197.17x = 9,709,753,142.66
  5. Step 5: Solve for x
    x = 9,709,753,142.66/126,197.17
  6. Step 6: Final answer
    x = 76,941.13

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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.