Home / 222,780.20-334,022.70-122,988.20

Finding the Fourth Proportional to 222,780.20, 334,022.70 and 122,988.20

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Solution

The fourth proportional to 222,780.20, 334,022.70 and 122,988.20 is: 184,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,780.20 : 334,022.70 = 122,988.20 : x
  2. Step 2: Convert to fraction form
    222,780.20/334,022.70 = 122,988.20/x
  3. Step 3: Cross multiply
    222,780.20x = 334,022.70 × 122,988.20
  4. Step 4: Simplify right side
    222,780.20x = 41,080,850,632.14
  5. Step 5: Solve for x
    x = 41,080,850,632.14/222,780.20
  6. Step 6: Final answer
    x = 184,400.82

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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.