Home / 92,039.06-138,060.30-28,857.77

Finding the Fourth Proportional to 92,039.06, 138,060.30 and 28,857.77

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Solution

The fourth proportional to 92,039.06, 138,060.30 and 28,857.77 is: 43,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,039.06 : 138,060.30 = 28,857.77 : x
  2. Step 2: Convert to fraction form
    92,039.06/138,060.30 = 28,857.77/x
  3. Step 3: Cross multiply
    92,039.06x = 138,060.30 × 28,857.77
  4. Step 4: Simplify right side
    92,039.06x = 3,984,112,156.85
  5. Step 5: Solve for x
    x = 3,984,112,156.85/92,039.06
  6. Step 6: Final answer
    x = 43,287.19

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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.