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Finding the Fourth Proportional to 136,955.53, 205,433.30 and 37,115.73

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Solution

The fourth proportional to 136,955.53, 205,433.30 and 37,115.73 is: 55,673.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,955.53 : 205,433.30 = 37,115.73 : x
  2. Step 2: Convert to fraction form
    136,955.53/205,433.30 = 37,115.73/x
  3. Step 3: Cross multiply
    136,955.53x = 205,433.30 × 37,115.73
  4. Step 4: Simplify right side
    136,955.53x = 7,624,805,683.06
  5. Step 5: Solve for x
    x = 7,624,805,683.06/136,955.53
  6. Step 6: Final answer
    x = 55,673.59

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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.