Home / 91,130.87-125,760.42-50,842.23

Finding the Fourth Proportional to 91,130.87, 125,760.42 and 50,842.23

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Solution

The fourth proportional to 91,130.87, 125,760.42 and 50,842.23 is: 70,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,130.87 : 125,760.42 = 50,842.23 : x
  2. Step 2: Convert to fraction form
    91,130.87/125,760.42 = 50,842.23/x
  3. Step 3: Cross multiply
    91,130.87x = 125,760.42 × 50,842.23
  4. Step 4: Simplify right side
    91,130.87x = 6,393,940,198.54
  5. Step 5: Solve for x
    x = 6,393,940,198.54/91,130.87
  6. Step 6: Final answer
    x = 70,162.18

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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.