Home / 251,081.72-346,498.68-136,364.64

Finding the Fourth Proportional to 251,081.72, 346,498.68 and 136,364.64

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Solution

The fourth proportional to 251,081.72, 346,498.68 and 136,364.64 is: 188,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,081.72 : 346,498.68 = 136,364.64 : x
  2. Step 2: Convert to fraction form
    251,081.72/346,498.68 = 136,364.64/x
  3. Step 3: Cross multiply
    251,081.72x = 346,498.68 × 136,364.64
  4. Step 4: Simplify right side
    251,081.72x = 47,250,167,758.68
  5. Step 5: Solve for x
    x = 47,250,167,758.68/251,081.72
  6. Step 6: Final answer
    x = 188,186.41

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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.