Home / 150,800.19-207,988.94-102,439.41

Finding the Fourth Proportional to 150,800.19, 207,988.94 and 102,439.41

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Solution

The fourth proportional to 150,800.19, 207,988.94 and 102,439.41 is: 141,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,800.19 : 207,988.94 = 102,439.41 : x
  2. Step 2: Convert to fraction form
    150,800.19/207,988.94 = 102,439.41/x
  3. Step 3: Cross multiply
    150,800.19x = 207,988.94 × 102,439.41
  4. Step 4: Simplify right side
    150,800.19x = 21,306,263,787.93
  5. Step 5: Solve for x
    x = 21,306,263,787.93/150,800.19
  6. Step 6: Final answer
    x = 141,288.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.