Home / 90,023.40-124,234.83-49,190.22

Finding the Fourth Proportional to 90,023.40, 124,234.83 and 49,190.22

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Solution

The fourth proportional to 90,023.40, 124,234.83 and 49,190.22 is: 67,883.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,023.40 : 124,234.83 = 49,190.22 : x
  2. Step 2: Convert to fraction form
    90,023.40/124,234.83 = 49,190.22/x
  3. Step 3: Cross multiply
    90,023.40x = 124,234.83 × 49,190.22
  4. Step 4: Simplify right side
    90,023.40x = 6,111,138,619.36
  5. Step 5: Solve for x
    x = 6,111,138,619.36/90,023.40
  6. Step 6: Final answer
    x = 67,883.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.