Home / 104,236.02-143,845.82-56,489.36

Finding the Fourth Proportional to 104,236.02, 143,845.82 and 56,489.36

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Solution

The fourth proportional to 104,236.02, 143,845.82 and 56,489.36 is: 77,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,236.02 : 143,845.82 = 56,489.36 : x
  2. Step 2: Convert to fraction form
    104,236.02/143,845.82 = 56,489.36/x
  3. Step 3: Cross multiply
    104,236.02x = 143,845.82 × 56,489.36
  4. Step 4: Simplify right side
    104,236.02x = 8,125,758,811.31
  5. Step 5: Solve for x
    x = 8,125,758,811.31/104,236.02
  6. Step 6: Final answer
    x = 77,955.38

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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.