Home / 90,451.26-124,814.34-50,164.29

Finding the Fourth Proportional to 90,451.26, 124,814.34 and 50,164.29

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Solution

The fourth proportional to 90,451.26, 124,814.34 and 50,164.29 is: 69,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,451.26 : 124,814.34 = 50,164.29 : x
  2. Step 2: Convert to fraction form
    90,451.26/124,814.34 = 50,164.29/x
  3. Step 3: Cross multiply
    90,451.26x = 124,814.34 × 50,164.29
  4. Step 4: Simplify right side
    90,451.26x = 6,261,222,747.92
  5. Step 5: Solve for x
    x = 6,261,222,747.92/90,451.26
  6. Step 6: Final answer
    x = 69,222.06

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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.