Home / 92,016.28-126,986.97-51,742.72

Finding the Fourth Proportional to 92,016.28, 126,986.97 and 51,742.72

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Solution

The fourth proportional to 92,016.28, 126,986.97 and 51,742.72 is: 71,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,016.28 : 126,986.97 = 51,742.72 : x
  2. Step 2: Convert to fraction form
    92,016.28/126,986.97 = 51,742.72/x
  3. Step 3: Cross multiply
    92,016.28x = 126,986.97 × 51,742.72
  4. Step 4: Simplify right side
    92,016.28x = 6,570,651,232.36
  5. Step 5: Solve for x
    x = 6,570,651,232.36/92,016.28
  6. Step 6: Final answer
    x = 71,407.49

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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.