Home / 90,439.06-124,813.38-50,165.83

Finding the Fourth Proportional to 90,439.06, 124,813.38 and 50,165.83

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Solution

The fourth proportional to 90,439.06, 124,813.38 and 50,165.83 is: 69,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,439.06 : 124,813.38 = 50,165.83 : x
  2. Step 2: Convert to fraction form
    90,439.06/124,813.38 = 50,165.83/x
  3. Step 3: Cross multiply
    90,439.06x = 124,813.38 × 50,165.83
  4. Step 4: Simplify right side
    90,439.06x = 6,261,367,005.85
  5. Step 5: Solve for x
    x = 6,261,367,005.85/90,439.06
  6. Step 6: Final answer
    x = 69,233.00

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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.