Home / 257,682.47-386,674.43-107,910.18

Finding the Fourth Proportional to 257,682.47, 386,674.43 and 107,910.18

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Solution

The fourth proportional to 257,682.47, 386,674.43 and 107,910.18 is: 161,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,682.47 : 386,674.43 = 107,910.18 : x
  2. Step 2: Convert to fraction form
    257,682.47/386,674.43 = 107,910.18/x
  3. Step 3: Cross multiply
    257,682.47x = 386,674.43 × 107,910.18
  4. Step 4: Simplify right side
    257,682.47x = 41,726,106,803.15
  5. Step 5: Solve for x
    x = 41,726,106,803.15/257,682.47
  6. Step 6: Final answer
    x = 161,928.39

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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.