Home / 251,224.38-346,685.64-138,044.70

Finding the Fourth Proportional to 251,224.38, 346,685.64 and 138,044.70

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Solution

The fourth proportional to 251,224.38, 346,685.64 and 138,044.70 is: 190,499.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,224.38 : 346,685.64 = 138,044.70 : x
  2. Step 2: Convert to fraction form
    251,224.38/346,685.64 = 138,044.70/x
  3. Step 3: Cross multiply
    251,224.38x = 346,685.64 × 138,044.70
  4. Step 4: Simplify right side
    251,224.38x = 47,858,115,168.11
  5. Step 5: Solve for x
    x = 47,858,115,168.11/251,224.38
  6. Step 6: Final answer
    x = 190,499.49

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1.5x scale

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.