Home / 251,154.25-346,593-137,984.29

Finding the Fourth Proportional to 251,154.25, 346,593 and 137,984.29

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Solution

The fourth proportional to 251,154.25, 346,593 and 137,984.29 is: 190,418.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,154.25 : 346,593 = 137,984.29 : x
  2. Step 2: Convert to fraction form
    251,154.25/346,593 = 137,984.29/x
  3. Step 3: Cross multiply
    251,154.25x = 346,593 × 137,984.29
  4. Step 4: Simplify right side
    251,154.25x = 47,824,389,023.97
  5. Step 5: Solve for x
    x = 47,824,389,023.97/251,154.25
  6. Step 6: Final answer
    x = 190,418.39

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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.