Home / 222,719.80-334,120.20-72,918.40

Finding the Fourth Proportional to 222,719.80, 334,120.20 and 72,918.40

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Solution

The fourth proportional to 222,719.80, 334,120.20 and 72,918.40 is: 109,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,719.80 : 334,120.20 = 72,918.40 : x
  2. Step 2: Convert to fraction form
    222,719.80/334,120.20 = 72,918.40/x
  3. Step 3: Cross multiply
    222,719.80x = 334,120.20 × 72,918.40
  4. Step 4: Simplify right side
    222,719.80x = 24,363,510,391.68
  5. Step 5: Solve for x
    x = 24,363,510,391.68/222,719.80
  6. Step 6: Final answer
    x = 109,390.86

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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.