Home / 90,764.24-125,257.73-49,930.16

Finding the Fourth Proportional to 90,764.24, 125,257.73 and 49,930.16

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Solution

The fourth proportional to 90,764.24, 125,257.73 and 49,930.16 is: 68,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,764.24 : 125,257.73 = 49,930.16 : x
  2. Step 2: Convert to fraction form
    90,764.24/125,257.73 = 49,930.16/x
  3. Step 3: Cross multiply
    90,764.24x = 125,257.73 × 49,930.16
  4. Step 4: Simplify right side
    90,764.24x = 6,254,138,281.15
  5. Step 5: Solve for x
    x = 6,254,138,281.15/90,764.24
  6. Step 6: Final answer
    x = 68,905.32

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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.