Home / 90,431.76-124,797.33-50,147.22

Finding the Fourth Proportional to 90,431.76, 124,797.33 and 50,147.22

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Solution

The fourth proportional to 90,431.76, 124,797.33 and 50,147.22 is: 69,204.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,431.76 : 124,797.33 = 50,147.22 : x
  2. Step 2: Convert to fraction form
    90,431.76/124,797.33 = 50,147.22/x
  3. Step 3: Cross multiply
    90,431.76x = 124,797.33 × 50,147.22
  4. Step 4: Simplify right side
    90,431.76x = 6,258,239,162.92
  5. Step 5: Solve for x
    x = 6,258,239,162.92/90,431.76
  6. Step 6: Final answer
    x = 69,204.00

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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.