Home / 103,839.22-143,298.04-56,092.56

Finding the Fourth Proportional to 103,839.22, 143,298.04 and 56,092.56

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Solution

The fourth proportional to 103,839.22, 143,298.04 and 56,092.56 is: 77,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,839.22 : 143,298.04 = 56,092.56 : x
  2. Step 2: Convert to fraction form
    103,839.22/143,298.04 = 56,092.56/x
  3. Step 3: Cross multiply
    103,839.22x = 143,298.04 × 56,092.56
  4. Step 4: Simplify right side
    103,839.22x = 8,037,953,906.58
  5. Step 5: Solve for x
    x = 8,037,953,906.58/103,839.22
  6. Step 6: Final answer
    x = 77,407.69

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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.