Home / 136,120.79-204,158.09-36,291.53

Finding the Fourth Proportional to 136,120.79, 204,158.09 and 36,291.53

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Solution

The fourth proportional to 136,120.79, 204,158.09 and 36,291.53 is: 54,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,120.79 : 204,158.09 = 36,291.53 : x
  2. Step 2: Convert to fraction form
    136,120.79/204,158.09 = 36,291.53/x
  3. Step 3: Cross multiply
    136,120.79x = 204,158.09 × 36,291.53
  4. Step 4: Simplify right side
    136,120.79x = 7,409,208,245.73
  5. Step 5: Solve for x
    x = 7,409,208,245.73/136,120.79
  6. Step 6: Final answer
    x = 54,431.13

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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.