Home / 226,637.34-312,744.11-131,158.39

Finding the Fourth Proportional to 226,637.34, 312,744.11 and 131,158.39

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Solution

The fourth proportional to 226,637.34, 312,744.11 and 131,158.39 is: 180,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,637.34 : 312,744.11 = 131,158.39 : x
  2. Step 2: Convert to fraction form
    226,637.34/312,744.11 = 131,158.39/x
  3. Step 3: Cross multiply
    226,637.34x = 312,744.11 × 131,158.39
  4. Step 4: Simplify right side
    226,637.34x = 41,019,014,204.97
  5. Step 5: Solve for x
    x = 41,019,014,204.97/226,637.34
  6. Step 6: Final answer
    x = 180,989.65

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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.