Home / 251,107.80-346,513.46-137,930.55

Finding the Fourth Proportional to 251,107.80, 346,513.46 and 137,930.55

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Solution

The fourth proportional to 251,107.80, 346,513.46 and 137,930.55 is: 190,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,107.80 : 346,513.46 = 137,930.55 : x
  2. Step 2: Convert to fraction form
    251,107.80/346,513.46 = 137,930.55/x
  3. Step 3: Cross multiply
    251,107.80x = 346,513.46 × 137,930.55
  4. Step 4: Simplify right side
    251,107.80x = 47,794,791,430.55
  5. Step 5: Solve for x
    x = 47,794,791,430.55/251,107.80
  6. Step 6: Final answer
    x = 190,335.75

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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.