Home / 100,837.02-139,163.67-55,523.82

Finding the Fourth Proportional to 100,837.02, 139,163.67 and 55,523.82

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Solution

The fourth proportional to 100,837.02, 139,163.67 and 55,523.82 is: 76,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,837.02 : 139,163.67 = 55,523.82 : x
  2. Step 2: Convert to fraction form
    100,837.02/139,163.67 = 55,523.82/x
  3. Step 3: Cross multiply
    100,837.02x = 139,163.67 × 55,523.82
  4. Step 4: Simplify right side
    100,837.02x = 7,726,898,563.62
  5. Step 5: Solve for x
    x = 7,726,898,563.62/100,837.02
  6. Step 6: Final answer
    x = 76,627.60

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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.