Home / 239,345.22-330,282.90-131,914.92

Finding the Fourth Proportional to 239,345.22, 330,282.90 and 131,914.92

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Solution

The fourth proportional to 239,345.22, 330,282.90 and 131,914.92 is: 182,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,345.22 : 330,282.90 = 131,914.92 : x
  2. Step 2: Convert to fraction form
    239,345.22/330,282.90 = 131,914.92/x
  3. Step 3: Cross multiply
    239,345.22x = 330,282.90 × 131,914.92
  4. Step 4: Simplify right side
    239,345.22x = 43,569,242,330.87
  5. Step 5: Solve for x
    x = 43,569,242,330.87/239,345.22
  6. Step 6: Final answer
    x = 182,035.15

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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.