Home / 122,279.41-183,148.12-93,991.15

Finding the Fourth Proportional to 122,279.41, 183,148.12 and 93,991.15

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Solution

The fourth proportional to 122,279.41, 183,148.12 and 93,991.15 is: 140,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,279.41 : 183,148.12 = 93,991.15 : x
  2. Step 2: Convert to fraction form
    122,279.41/183,148.12 = 93,991.15/x
  3. Step 3: Cross multiply
    122,279.41x = 183,148.12 × 93,991.15
  4. Step 4: Simplify right side
    122,279.41x = 17,214,302,419.14
  5. Step 5: Solve for x
    x = 17,214,302,419.14/122,279.41
  6. Step 6: Final answer
    x = 140,778.42

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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.