Home / 251,149.25-346,586.10-137,979.29

Finding the Fourth Proportional to 251,149.25, 346,586.10 and 137,979.29

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Solution

The fourth proportional to 251,149.25, 346,586.10 and 137,979.29 is: 190,411.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,149.25 : 346,586.10 = 137,979.29 : x
  2. Step 2: Convert to fraction form
    251,149.25/346,586.10 = 137,979.29/x
  3. Step 3: Cross multiply
    251,149.25x = 346,586.10 × 137,979.29
  4. Step 4: Simplify right side
    251,149.25x = 47,821,704,001.87
  5. Step 5: Solve for x
    x = 47,821,704,001.87/251,149.25
  6. Step 6: Final answer
    x = 190,411.49

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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.