Home / 92,518.06-138,832.45-84,989.31

Finding the Fourth Proportional to 92,518.06, 138,832.45 and 84,989.31

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Solution

The fourth proportional to 92,518.06, 138,832.45 and 84,989.31 is: 127,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,518.06 : 138,832.45 = 84,989.31 : x
  2. Step 2: Convert to fraction form
    92,518.06/138,832.45 = 84,989.31/x
  3. Step 3: Cross multiply
    92,518.06x = 138,832.45 × 84,989.31
  4. Step 4: Simplify right side
    92,518.06x = 11,799,274,737.18
  5. Step 5: Solve for x
    x = 11,799,274,737.18/92,518.06
  6. Step 6: Final answer
    x = 127,534.83

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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.