Home / 91,942.38-126,883.76-51,655.34

Finding the Fourth Proportional to 91,942.38, 126,883.76 and 51,655.34

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Solution

The fourth proportional to 91,942.38, 126,883.76 and 51,655.34 is: 71,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,942.38 : 126,883.76 = 51,655.34 : x
  2. Step 2: Convert to fraction form
    91,942.38/126,883.76 = 51,655.34/x
  3. Step 3: Cross multiply
    91,942.38x = 126,883.76 × 51,655.34
  4. Step 4: Simplify right side
    91,942.38x = 6,554,222,870.58
  5. Step 5: Solve for x
    x = 6,554,222,870.58/91,942.38
  6. Step 6: Final answer
    x = 71,286.20

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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.