Home / 251,049.08-346,446.59-136,326.80

Finding the Fourth Proportional to 251,049.08, 346,446.59 and 136,326.80

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Solution

The fourth proportional to 251,049.08, 346,446.59 and 136,326.80 is: 188,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,049.08 : 346,446.59 = 136,326.80 : x
  2. Step 2: Convert to fraction form
    251,049.08/346,446.59 = 136,326.80/x
  3. Step 3: Cross multiply
    251,049.08x = 346,446.59 × 136,326.80
  4. Step 4: Simplify right side
    251,049.08x = 47,229,952,571.75
  5. Step 5: Solve for x
    x = 47,229,952,571.75/251,049.08
  6. Step 6: Final answer
    x = 188,130.36

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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.