Home / 136,143.35-204,221.72-36,304.45

Finding the Fourth Proportional to 136,143.35, 204,221.72 and 36,304.45

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Solution

The fourth proportional to 136,143.35, 204,221.72 and 36,304.45 is: 54,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,143.35 : 204,221.72 = 36,304.45 : x
  2. Step 2: Convert to fraction form
    136,143.35/204,221.72 = 36,304.45/x
  3. Step 3: Cross multiply
    136,143.35x = 204,221.72 × 36,304.45
  4. Step 4: Simplify right side
    136,143.35x = 7,414,157,222.65
  5. Step 5: Solve for x
    x = 7,414,157,222.65/136,143.35
  6. Step 6: Final answer
    x = 54,458.46

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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.