Home / 239,811.68-330,916.53-132,374.78

Finding the Fourth Proportional to 239,811.68, 330,916.53 and 132,374.78

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Solution

The fourth proportional to 239,811.68, 330,916.53 and 132,374.78 is: 182,664.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,811.68 : 330,916.53 = 132,374.78 : x
  2. Step 2: Convert to fraction form
    239,811.68/330,916.53 = 132,374.78/x
  3. Step 3: Cross multiply
    239,811.68x = 330,916.53 × 132,374.78
  4. Step 4: Simplify right side
    239,811.68x = 43,805,002,857.11
  5. Step 5: Solve for x
    x = 43,805,002,857.11/239,811.68
  6. Step 6: Final answer
    x = 182,664.18

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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.