Home / 103,201.10-154,804.62-28,321.87

Finding the Fourth Proportional to 103,201.10, 154,804.62 and 28,321.87

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Solution

The fourth proportional to 103,201.10, 154,804.62 and 28,321.87 is: 42,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,201.10 : 154,804.62 = 28,321.87 : x
  2. Step 2: Convert to fraction form
    103,201.10/154,804.62 = 28,321.87/x
  3. Step 3: Cross multiply
    103,201.10x = 154,804.62 × 28,321.87
  4. Step 4: Simplify right side
    103,201.10x = 4,384,356,173.18
  5. Step 5: Solve for x
    x = 4,384,356,173.18/103,201.10
  6. Step 6: Final answer
    x = 42,483.62

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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.