Home / 90,451.08-124,828.49-50,166.54

Finding the Fourth Proportional to 90,451.08, 124,828.49 and 50,166.54

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Solution

The fourth proportional to 90,451.08, 124,828.49 and 50,166.54 is: 69,233.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,451.08 : 124,828.49 = 50,166.54 : x
  2. Step 2: Convert to fraction form
    90,451.08/124,828.49 = 50,166.54/x
  3. Step 3: Cross multiply
    90,451.08x = 124,828.49 × 50,166.54
  4. Step 4: Simplify right side
    90,451.08x = 6,262,213,562.14
  5. Step 5: Solve for x
    x = 6,262,213,562.14/90,451.08
  6. Step 6: Final answer
    x = 69,233.15

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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.