Home / 251,097.45-346,514.46-137,920.20

Finding the Fourth Proportional to 251,097.45, 346,514.46 and 137,920.20

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Solution

The fourth proportional to 251,097.45, 346,514.46 and 137,920.20 is: 190,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,097.45 : 346,514.46 = 137,920.20 : x
  2. Step 2: Convert to fraction form
    251,097.45/346,514.46 = 137,920.20/x
  3. Step 3: Cross multiply
    251,097.45x = 346,514.46 × 137,920.20
  4. Step 4: Simplify right side
    251,097.45x = 47,791,343,626.09
  5. Step 5: Solve for x
    x = 47,791,343,626.09/251,097.45
  6. Step 6: Final answer
    x = 190,329.86

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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.