Home / 154,949.22-213,900.75-119,126.70

Finding the Fourth Proportional to 154,949.22, 213,900.75 and 119,126.70

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Solution

The fourth proportional to 154,949.22, 213,900.75 and 119,126.70 is: 164,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,949.22 : 213,900.75 = 119,126.70 : x
  2. Step 2: Convert to fraction form
    154,949.22/213,900.75 = 119,126.70/x
  3. Step 3: Cross multiply
    154,949.22x = 213,900.75 × 119,126.70
  4. Step 4: Simplify right side
    154,949.22x = 25,481,290,475.03
  5. Step 5: Solve for x
    x = 25,481,290,475.03/154,949.22
  6. Step 6: Final answer
    x = 164,449.30

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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.