Home / 126,243.12-189,184.20-92,700

Finding the Fourth Proportional to 126,243.12, 189,184.20 and 92,700

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Solution

The fourth proportional to 126,243.12, 189,184.20 and 92,700 is: 138,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,243.12 : 189,184.20 = 92,700 : x
  2. Step 2: Convert to fraction form
    126,243.12/189,184.20 = 92,700/x
  3. Step 3: Cross multiply
    126,243.12x = 189,184.20 × 92,700
  4. Step 4: Simplify right side
    126,243.12x = 17,537,375,340
  5. Step 5: Solve for x
    x = 17,537,375,340/126,243.12
  6. Step 6: Final answer
    x = 138,917.47

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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.