Home / 137,724.04-190,062.96-77,298.44

Finding the Fourth Proportional to 137,724.04, 190,062.96 and 77,298.44

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Solution

The fourth proportional to 137,724.04, 190,062.96 and 77,298.44 is: 106,673.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,724.04 : 190,062.96 = 77,298.44 : x
  2. Step 2: Convert to fraction form
    137,724.04/190,062.96 = 77,298.44/x
  3. Step 3: Cross multiply
    137,724.04x = 190,062.96 × 77,298.44
  4. Step 4: Simplify right side
    137,724.04x = 14,691,570,309.78
  5. Step 5: Solve for x
    x = 14,691,570,309.78/137,724.04
  6. Step 6: Final answer
    x = 106,673.97

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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.