Home / 91,951.38-126,896.20-51,664.36

Finding the Fourth Proportional to 91,951.38, 126,896.20 and 51,664.36

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Solution

The fourth proportional to 91,951.38, 126,896.20 and 51,664.36 is: 71,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,951.38 : 126,896.20 = 51,664.36 : x
  2. Step 2: Convert to fraction form
    91,951.38/126,896.20 = 51,664.36/x
  3. Step 3: Cross multiply
    91,951.38x = 126,896.20 × 51,664.36
  4. Step 4: Simplify right side
    91,951.38x = 6,556,010,959.43
  5. Step 5: Solve for x
    x = 6,556,010,959.43/91,951.38
  6. Step 6: Final answer
    x = 71,298.67

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1.5x scale

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.