Home / 226,145.58-312,058.78-130,650.22

Finding the Fourth Proportional to 226,145.58, 312,058.78 and 130,650.22

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Solution

The fourth proportional to 226,145.58, 312,058.78 and 130,650.22 is: 180,284.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,145.58 : 312,058.78 = 130,650.22 : x
  2. Step 2: Convert to fraction form
    226,145.58/312,058.78 = 130,650.22/x
  3. Step 3: Cross multiply
    226,145.58x = 312,058.78 × 130,650.22
  4. Step 4: Simplify right side
    226,145.58x = 40,770,548,259.93
  5. Step 5: Solve for x
    x = 40,770,548,259.93/226,145.58
  6. Step 6: Final answer
    x = 180,284.52

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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.