Home / 92,845.00-128,185.64-63,821.63

Finding the Fourth Proportional to 92,845.00, 128,185.64 and 63,821.63

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Solution

The fourth proportional to 92,845.00, 128,185.64 and 63,821.63 is: 88,114.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,845.00 : 128,185.64 = 63,821.63 : x
  2. Step 2: Convert to fraction form
    92,845.00/128,185.64 = 63,821.63/x
  3. Step 3: Cross multiply
    92,845.00x = 128,185.64 × 63,821.63
  4. Step 4: Simplify right side
    92,845.00x = 8,181,016,728.08
  5. Step 5: Solve for x
    x = 8,181,016,728.08/92,845.00
  6. Step 6: Final answer
    x = 88,114.78

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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.