Home / 134,844.12-186,083.58-74,415.96

Finding the Fourth Proportional to 134,844.12, 186,083.58 and 74,415.96

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Solution

The fourth proportional to 134,844.12, 186,083.58 and 74,415.96 is: 102,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,844.12 : 186,083.58 = 74,415.96 : x
  2. Step 2: Convert to fraction form
    134,844.12/186,083.58 = 74,415.96/x
  3. Step 3: Cross multiply
    134,844.12x = 186,083.58 × 74,415.96
  4. Step 4: Simplify right side
    134,844.12x = 13,847,588,245.94
  5. Step 5: Solve for x
    x = 13,847,588,245.94/134,844.12
  6. Step 6: Final answer
    x = 102,693.30

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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.