Home / 239,992.72-331,146.66-155,060.58

Finding the Fourth Proportional to 239,992.72, 331,146.66 and 155,060.58

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Solution

The fourth proportional to 239,992.72, 331,146.66 and 155,060.58 is: 213,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,992.72 : 331,146.66 = 155,060.58 : x
  2. Step 2: Convert to fraction form
    239,992.72/331,146.66 = 155,060.58/x
  3. Step 3: Cross multiply
    239,992.72x = 331,146.66 × 155,060.58
  4. Step 4: Simplify right side
    239,992.72x = 51,347,791,816.92
  5. Step 5: Solve for x
    x = 51,347,791,816.92/239,992.72
  6. Step 6: Final answer
    x = 213,955.62

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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.