Home / 139,734.10-192,837.45-76,076.02

Finding the Fourth Proportional to 139,734.10, 192,837.45 and 76,076.02

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Solution

The fourth proportional to 139,734.10, 192,837.45 and 76,076.02 is: 104,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,734.10 : 192,837.45 = 76,076.02 : x
  2. Step 2: Convert to fraction form
    139,734.10/192,837.45 = 76,076.02/x
  3. Step 3: Cross multiply
    139,734.10x = 192,837.45 × 76,076.02
  4. Step 4: Simplify right side
    139,734.10x = 14,670,305,702.95
  5. Step 5: Solve for x
    x = 14,670,305,702.95/139,734.10
  6. Step 6: Final answer
    x = 104,987.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.