Home / 137,307.44-206,190.16-92,616.72

Finding the Fourth Proportional to 137,307.44, 206,190.16 and 92,616.72

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Solution

The fourth proportional to 137,307.44, 206,190.16 and 92,616.72 is: 139,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,307.44 : 206,190.16 = 92,616.72 : x
  2. Step 2: Convert to fraction form
    137,307.44/206,190.16 = 92,616.72/x
  3. Step 3: Cross multiply
    137,307.44x = 206,190.16 × 92,616.72
  4. Step 4: Simplify right side
    137,307.44x = 19,096,656,315.48
  5. Step 5: Solve for x
    x = 19,096,656,315.48/137,307.44
  6. Step 6: Final answer
    x = 139,079.55

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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.