Home / 251,726.10-378,026.55-133,628.10

Finding the Fourth Proportional to 251,726.10, 378,026.55 and 133,628.10

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Solution

The fourth proportional to 251,726.10, 378,026.55 and 133,628.10 is: 200,674.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,726.10 : 378,026.55 = 133,628.10 : x
  2. Step 2: Convert to fraction form
    251,726.10/378,026.55 = 133,628.10/x
  3. Step 3: Cross multiply
    251,726.10x = 378,026.55 × 133,628.10
  4. Step 4: Simplify right side
    251,726.10x = 50,514,969,626.06
  5. Step 5: Solve for x
    x = 50,514,969,626.06/251,726.10
  6. Step 6: Final answer
    x = 200,674.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.