Home / 251,411.28-346,953.50-136,696.48

Finding the Fourth Proportional to 251,411.28, 346,953.50 and 136,696.48

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Solution

The fourth proportional to 251,411.28, 346,953.50 and 136,696.48 is: 188,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,411.28 : 346,953.50 = 136,696.48 : x
  2. Step 2: Convert to fraction form
    251,411.28/346,953.50 = 136,696.48/x
  3. Step 3: Cross multiply
    251,411.28x = 346,953.50 × 136,696.48
  4. Step 4: Simplify right side
    251,411.28x = 47,427,322,173.68
  5. Step 5: Solve for x
    x = 47,427,322,173.68/251,411.28
  6. Step 6: Final answer
    x = 188,644.37

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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.