Home / 257,334.08-386,026.76-107,621.24

Finding the Fourth Proportional to 257,334.08, 386,026.76 and 107,621.24

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Solution

The fourth proportional to 257,334.08, 386,026.76 and 107,621.24 is: 161,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,334.08 : 386,026.76 = 107,621.24 : x
  2. Step 2: Convert to fraction form
    257,334.08/386,026.76 = 107,621.24/x
  3. Step 3: Cross multiply
    257,334.08x = 386,026.76 × 107,621.24
  4. Step 4: Simplify right side
    257,334.08x = 41,544,676,923.30
  5. Step 5: Solve for x
    x = 41,544,676,923.30/257,334.08
  6. Step 6: Final answer
    x = 161,442.58

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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.