Home / 199,916.31-299,927.04-71,845.53

Finding the Fourth Proportional to 199,916.31, 299,927.04 and 71,845.53

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Solution

The fourth proportional to 199,916.31, 299,927.04 and 71,845.53 is: 107,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,916.31 : 299,927.04 = 71,845.53 : x
  2. Step 2: Convert to fraction form
    199,916.31/299,927.04 = 71,845.53/x
  3. Step 3: Cross multiply
    199,916.31x = 299,927.04 × 71,845.53
  4. Step 4: Simplify right side
    199,916.31x = 21,548,418,049.27
  5. Step 5: Solve for x
    x = 21,548,418,049.27/199,916.31
  6. Step 6: Final answer
    x = 107,787.19

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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.