Home / 119,873.48-179,682.32-90,199.53

Finding the Fourth Proportional to 119,873.48, 179,682.32 and 90,199.53

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Solution

The fourth proportional to 119,873.48, 179,682.32 and 90,199.53 is: 135,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,873.48 : 179,682.32 = 90,199.53 : x
  2. Step 2: Convert to fraction form
    119,873.48/179,682.32 = 90,199.53/x
  3. Step 3: Cross multiply
    119,873.48x = 179,682.32 × 90,199.53
  4. Step 4: Simplify right side
    119,873.48x = 16,207,260,362.31
  5. Step 5: Solve for x
    x = 16,207,260,362.31/119,873.48
  6. Step 6: Final answer
    x = 135,203.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.