Home / 239,154.66-330,035.94-131,728.14

Finding the Fourth Proportional to 239,154.66, 330,035.94 and 131,728.14

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Solution

The fourth proportional to 239,154.66, 330,035.94 and 131,728.14 is: 181,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,154.66 : 330,035.94 = 131,728.14 : x
  2. Step 2: Convert to fraction form
    239,154.66/330,035.94 = 131,728.14/x
  3. Step 3: Cross multiply
    239,154.66x = 330,035.94 × 131,728.14
  4. Step 4: Simplify right side
    239,154.66x = 43,475,020,509.35
  5. Step 5: Solve for x
    x = 43,475,020,509.35/239,154.66
  6. Step 6: Final answer
    x = 181,786.22

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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.