Home / 103,405.36-155,101.88-36,841.96

Finding the Fourth Proportional to 103,405.36, 155,101.88 and 36,841.96

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Solution

The fourth proportional to 103,405.36, 155,101.88 and 36,841.96 is: 55,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,405.36 : 155,101.88 = 36,841.96 : x
  2. Step 2: Convert to fraction form
    103,405.36/155,101.88 = 36,841.96/x
  3. Step 3: Cross multiply
    103,405.36x = 155,101.88 × 36,841.96
  4. Step 4: Simplify right side
    103,405.36x = 5,714,257,258.88
  5. Step 5: Solve for x
    x = 5,714,257,258.88/103,405.36
  6. Step 6: Final answer
    x = 55,260.75

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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.