Home / 150,419.61-207,579.35-82,439.10

Finding the Fourth Proportional to 150,419.61, 207,579.35 and 82,439.10

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Solution

The fourth proportional to 150,419.61, 207,579.35 and 82,439.10 is: 113,766.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,419.61 : 207,579.35 = 82,439.10 : x
  2. Step 2: Convert to fraction form
    150,419.61/207,579.35 = 82,439.10/x
  3. Step 3: Cross multiply
    150,419.61x = 207,579.35 × 82,439.10
  4. Step 4: Simplify right side
    150,419.61x = 17,112,655,816.44
  5. Step 5: Solve for x
    x = 17,112,655,816.44/150,419.61
  6. Step 6: Final answer
    x = 113,766.12

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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.