Home / 251,401.50-346,940.64-136,687.86

Finding the Fourth Proportional to 251,401.50, 346,940.64 and 136,687.86

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Solution

The fourth proportional to 251,401.50, 346,940.64 and 136,687.86 is: 188,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,401.50 : 346,940.64 = 136,687.86 : x
  2. Step 2: Convert to fraction form
    251,401.50/346,940.64 = 136,687.86/x
  3. Step 3: Cross multiply
    251,401.50x = 346,940.64 × 136,687.86
  4. Step 4: Simplify right side
    251,401.50x = 47,422,573,628.63
  5. Step 5: Solve for x
    x = 47,422,573,628.63/251,401.50
  6. Step 6: Final answer
    x = 188,632.82

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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.