Home / 91,512.27-126,270.23-51,226.65

Finding the Fourth Proportional to 91,512.27, 126,270.23 and 51,226.65

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Solution

The fourth proportional to 91,512.27, 126,270.23 and 51,226.65 is: 70,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,512.27 : 126,270.23 = 51,226.65 : x
  2. Step 2: Convert to fraction form
    91,512.27/126,270.23 = 51,226.65/x
  3. Step 3: Cross multiply
    91,512.27x = 126,270.23 × 51,226.65
  4. Step 4: Simplify right side
    91,512.27x = 6,468,400,621.50
  5. Step 5: Solve for x
    x = 6,468,400,621.50/91,512.27
  6. Step 6: Final answer
    x = 70,683.42

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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.