Home / 90,452.14-124,831.62-50,178.88

Finding the Fourth Proportional to 90,452.14, 124,831.62 and 50,178.88

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Solution

The fourth proportional to 90,452.14, 124,831.62 and 50,178.88 is: 69,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,452.14 : 124,831.62 = 50,178.88 : x
  2. Step 2: Convert to fraction form
    90,452.14/124,831.62 = 50,178.88/x
  3. Step 3: Cross multiply
    90,452.14x = 124,831.62 × 50,178.88
  4. Step 4: Simplify right side
    90,452.14x = 6,263,910,880.19
  5. Step 5: Solve for x
    x = 6,263,910,880.19/90,452.14
  6. Step 6: Final answer
    x = 69,251.11

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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.