Home / 91,964.20-126,901.14-51,671.56

Finding the Fourth Proportional to 91,964.20, 126,901.14 and 51,671.56

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Solution

The fourth proportional to 91,964.20, 126,901.14 and 51,671.56 is: 71,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,964.20 : 126,901.14 = 51,671.56 : x
  2. Step 2: Convert to fraction form
    91,964.20/126,901.14 = 51,671.56/x
  3. Step 3: Cross multiply
    91,964.20x = 126,901.14 × 51,671.56
  4. Step 4: Simplify right side
    91,964.20x = 6,557,179,869.58
  5. Step 5: Solve for x
    x = 6,557,179,869.58/91,964.20
  6. Step 6: Final answer
    x = 71,301.44

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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.