Home / 222,354.03-306,846.36-120,376.80

Finding the Fourth Proportional to 222,354.03, 306,846.36 and 120,376.80

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Solution

The fourth proportional to 222,354.03, 306,846.36 and 120,376.80 is: 166,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,354.03 : 306,846.36 = 120,376.80 : x
  2. Step 2: Convert to fraction form
    222,354.03/306,846.36 = 120,376.80/x
  3. Step 3: Cross multiply
    222,354.03x = 306,846.36 × 120,376.80
  4. Step 4: Simplify right side
    222,354.03x = 36,937,182,908.45
  5. Step 5: Solve for x
    x = 36,937,182,908.45/222,354.03
  6. Step 6: Final answer
    x = 166,118.79

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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.