Home / 203,948.80-305,923.20-154,182.40

Finding the Fourth Proportional to 203,948.80, 305,923.20 and 154,182.40

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Solution

The fourth proportional to 203,948.80, 305,923.20 and 154,182.40 is: 231,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,948.80 : 305,923.20 = 154,182.40 : x
  2. Step 2: Convert to fraction form
    203,948.80/305,923.20 = 154,182.40/x
  3. Step 3: Cross multiply
    203,948.80x = 305,923.20 × 154,182.40
  4. Step 4: Simplify right side
    203,948.80x = 47,167,973,191.68
  5. Step 5: Solve for x
    x = 47,167,973,191.68/203,948.80
  6. Step 6: Final answer
    x = 231,273.60

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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.