Home / 226,985.76-313,228.31-130,184.60

Finding the Fourth Proportional to 226,985.76, 313,228.31 and 130,184.60

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Solution

The fourth proportional to 226,985.76, 313,228.31 and 130,184.60 is: 179,647.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,985.76 : 313,228.31 = 130,184.60 : x
  2. Step 2: Convert to fraction form
    226,985.76/313,228.31 = 130,184.60/x
  3. Step 3: Cross multiply
    226,985.76x = 313,228.31 × 130,184.60
  4. Step 4: Simplify right side
    226,985.76x = 40,777,500,028.96
  5. Step 5: Solve for x
    x = 40,777,500,028.96/226,985.76
  6. Step 6: Final answer
    x = 179,647.83

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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.