Home / 161,977.24-223,528.92-90,355.44

Finding the Fourth Proportional to 161,977.24, 223,528.92 and 90,355.44

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Solution

The fourth proportional to 161,977.24, 223,528.92 and 90,355.44 is: 124,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,977.24 : 223,528.92 = 90,355.44 : x
  2. Step 2: Convert to fraction form
    161,977.24/223,528.92 = 90,355.44/x
  3. Step 3: Cross multiply
    161,977.24x = 223,528.92 × 90,355.44
  4. Step 4: Simplify right side
    161,977.24x = 20,197,053,919.32
  5. Step 5: Solve for x
    x = 20,197,053,919.32/161,977.24
  6. Step 6: Final answer
    x = 124,690.69

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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.