Home / 224,744.45-310,147.32-129,249.09

Finding the Fourth Proportional to 224,744.45, 310,147.32 and 129,249.09

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Solution

The fourth proportional to 224,744.45, 310,147.32 and 129,249.09 is: 178,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,744.45 : 310,147.32 = 129,249.09 : x
  2. Step 2: Convert to fraction form
    224,744.45/310,147.32 = 129,249.09/x
  3. Step 3: Cross multiply
    224,744.45x = 310,147.32 × 129,249.09
  4. Step 4: Simplify right side
    224,744.45x = 40,086,258,875.94
  5. Step 5: Solve for x
    x = 40,086,258,875.94/224,744.45
  6. Step 6: Final answer
    x = 178,363.74

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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.