Home / 251,120.54-346,548.90-136,400.30

Finding the Fourth Proportional to 251,120.54, 346,548.90 and 136,400.30

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Solution

The fourth proportional to 251,120.54, 346,548.90 and 136,400.30 is: 188,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,120.54 : 346,548.90 = 136,400.30 : x
  2. Step 2: Convert to fraction form
    251,120.54/346,548.90 = 136,400.30/x
  3. Step 3: Cross multiply
    251,120.54x = 346,548.90 × 136,400.30
  4. Step 4: Simplify right side
    251,120.54x = 47,269,373,924.67
  5. Step 5: Solve for x
    x = 47,269,373,924.67/251,120.54
  6. Step 6: Final answer
    x = 188,233.80

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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.