Home / 159,033.72-238,589.64-79,109.40

Finding the Fourth Proportional to 159,033.72, 238,589.64 and 79,109.40

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Solution

The fourth proportional to 159,033.72, 238,589.64 and 79,109.40 is: 118,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,033.72 : 238,589.64 = 79,109.40 : x
  2. Step 2: Convert to fraction form
    159,033.72/238,589.64 = 79,109.40/x
  3. Step 3: Cross multiply
    159,033.72x = 238,589.64 × 79,109.40
  4. Step 4: Simplify right side
    159,033.72x = 18,874,683,266.62
  5. Step 5: Solve for x
    x = 18,874,683,266.62/159,033.72
  6. Step 6: Final answer
    x = 118,683.53

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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.