Home / 117,878.22-176,817.33-38,971.26

Finding the Fourth Proportional to 117,878.22, 176,817.33 and 38,971.26

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Solution

The fourth proportional to 117,878.22, 176,817.33 and 38,971.26 is: 58,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,878.22 : 176,817.33 = 38,971.26 : x
  2. Step 2: Convert to fraction form
    117,878.22/176,817.33 = 38,971.26/x
  3. Step 3: Cross multiply
    117,878.22x = 176,817.33 × 38,971.26
  4. Step 4: Simplify right side
    117,878.22x = 6,890,794,139.94
  5. Step 5: Solve for x
    x = 6,890,794,139.94/117,878.22
  6. Step 6: Final answer
    x = 58,456.89

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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.