Home / 150,387.72-207,525.40-82,403.88

Finding the Fourth Proportional to 150,387.72, 207,525.40 and 82,403.88

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Solution

The fourth proportional to 150,387.72, 207,525.40 and 82,403.88 is: 113,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,387.72 : 207,525.40 = 82,403.88 : x
  2. Step 2: Convert to fraction form
    150,387.72/207,525.40 = 82,403.88/x
  3. Step 3: Cross multiply
    150,387.72x = 207,525.40 × 82,403.88
  4. Step 4: Simplify right side
    150,387.72x = 17,100,898,158.55
  5. Step 5: Solve for x
    x = 17,100,898,158.55/150,387.72
  6. Step 6: Final answer
    x = 113,712.06

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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.