Home / 251,118.92-346,544.34-137,948.96

Finding the Fourth Proportional to 251,118.92, 346,544.34 and 137,948.96

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Solution

The fourth proportional to 251,118.92, 346,544.34 and 137,948.96 is: 190,369.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,118.92 : 346,544.34 = 137,948.96 : x
  2. Step 2: Convert to fraction form
    251,118.92/346,544.34 = 137,948.96/x
  3. Step 3: Cross multiply
    251,118.92x = 346,544.34 × 137,948.96
  4. Step 4: Simplify right side
    251,118.92x = 47,805,431,296.89
  5. Step 5: Solve for x
    x = 47,805,431,296.89/251,118.92
  6. Step 6: Final answer
    x = 190,369.69

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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.