Home / 91,152.27-125,789.90-50,865.60

Finding the Fourth Proportional to 91,152.27, 125,789.90 and 50,865.60

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Solution

The fourth proportional to 91,152.27, 125,789.90 and 50,865.60 is: 70,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,152.27 : 125,789.90 = 50,865.60 : x
  2. Step 2: Convert to fraction form
    91,152.27/125,789.90 = 50,865.60/x
  3. Step 3: Cross multiply
    91,152.27x = 125,789.90 × 50,865.60
  4. Step 4: Simplify right side
    91,152.27x = 6,398,378,483.11
  5. Step 5: Solve for x
    x = 6,398,378,483.11/91,152.27
  6. Step 6: Final answer
    x = 70,194.40

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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.