Home / 103,077.49-154,620.90-28,195.96

Finding the Fourth Proportional to 103,077.49, 154,620.90 and 28,195.96

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Solution

The fourth proportional to 103,077.49, 154,620.90 and 28,195.96 is: 42,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,077.49 : 154,620.90 = 28,195.96 : x
  2. Step 2: Convert to fraction form
    103,077.49/154,620.90 = 28,195.96/x
  3. Step 3: Cross multiply
    103,077.49x = 154,620.90 × 28,195.96
  4. Step 4: Simplify right side
    103,077.49x = 4,359,684,711.56
  5. Step 5: Solve for x
    x = 4,359,684,711.56/103,077.49
  6. Step 6: Final answer
    x = 42,295.22

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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.