Home / 251,338.33-346,838.12-138,160.27

Finding the Fourth Proportional to 251,338.33, 346,838.12 and 138,160.27

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Solution

The fourth proportional to 251,338.33, 346,838.12 and 138,160.27 is: 190,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,338.33 : 346,838.12 = 138,160.27 : x
  2. Step 2: Convert to fraction form
    251,338.33/346,838.12 = 138,160.27/x
  3. Step 3: Cross multiply
    251,338.33x = 346,838.12 × 138,160.27
  4. Step 4: Simplify right side
    251,338.33x = 47,919,247,614.69
  5. Step 5: Solve for x
    x = 47,919,247,614.69/251,338.33
  6. Step 6: Final answer
    x = 190,656.35

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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.