Home / 251,051.38-346,450.47-137,874.13

Finding the Fourth Proportional to 251,051.38, 346,450.47 and 137,874.13

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Solution

The fourth proportional to 251,051.38, 346,450.47 and 137,874.13 is: 190,266.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,051.38 : 346,450.47 = 137,874.13 : x
  2. Step 2: Convert to fraction form
    251,051.38/346,450.47 = 137,874.13/x
  3. Step 3: Cross multiply
    251,051.38x = 346,450.47 × 137,874.13
  4. Step 4: Simplify right side
    251,051.38x = 47,766,555,407.09
  5. Step 5: Solve for x
    x = 47,766,555,407.09/251,051.38
  6. Step 6: Final answer
    x = 190,266.06

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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.