Home / 251,076.11-346,400.73-142,165.56

Finding the Fourth Proportional to 251,076.11, 346,400.73 and 142,165.56

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Solution

The fourth proportional to 251,076.11, 346,400.73 and 142,165.56 is: 196,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,076.11 : 346,400.73 = 142,165.56 : x
  2. Step 2: Convert to fraction form
    251,076.11/346,400.73 = 142,165.56/x
  3. Step 3: Cross multiply
    251,076.11x = 346,400.73 × 142,165.56
  4. Step 4: Simplify right side
    251,076.11x = 49,246,254,120.27
  5. Step 5: Solve for x
    x = 49,246,254,120.27/251,076.11
  6. Step 6: Final answer
    x = 196,140.74

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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.