Home / 159,156.89-238,750.91-57,982.42

Finding the Fourth Proportional to 159,156.89, 238,750.91 and 57,982.42

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Solution

The fourth proportional to 159,156.89, 238,750.91 and 57,982.42 is: 86,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,156.89 : 238,750.91 = 57,982.42 : x
  2. Step 2: Convert to fraction form
    159,156.89/238,750.91 = 57,982.42/x
  3. Step 3: Cross multiply
    159,156.89x = 238,750.91 × 57,982.42
  4. Step 4: Simplify right side
    159,156.89x = 13,843,355,845.97
  5. Step 5: Solve for x
    x = 13,843,355,845.97/159,156.89
  6. Step 6: Final answer
    x = 86,979.31

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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.