Home / 251,139.38-346,578.59-136,417.98

Finding the Fourth Proportional to 251,139.38, 346,578.59 and 136,417.98

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Solution

The fourth proportional to 251,139.38, 346,578.59 and 136,417.98 is: 188,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,139.38 : 346,578.59 = 136,417.98 : x
  2. Step 2: Convert to fraction form
    251,139.38/346,578.59 = 136,417.98/x
  3. Step 3: Cross multiply
    251,139.38x = 346,578.59 × 136,417.98
  4. Step 4: Simplify right side
    251,139.38x = 47,279,552,799.76
  5. Step 5: Solve for x
    x = 47,279,552,799.76/251,139.38
  6. Step 6: Final answer
    x = 188,260.22

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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.