Home / 251,042.97-346,445.33-137,868.15

Finding the Fourth Proportional to 251,042.97, 346,445.33 and 137,868.15

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Solution

The fourth proportional to 251,042.97, 346,445.33 and 137,868.15 is: 190,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,042.97 : 346,445.33 = 137,868.15 : x
  2. Step 2: Convert to fraction form
    251,042.97/346,445.33 = 137,868.15/x
  3. Step 3: Cross multiply
    251,042.97x = 346,445.33 × 137,868.15
  4. Step 4: Simplify right side
    251,042.97x = 47,763,776,033.90
  5. Step 5: Solve for x
    x = 47,763,776,033.90/251,042.97
  6. Step 6: Final answer
    x = 190,261.36

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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.