Home / 134,893.14-186,162.84-74,475.42

Finding the Fourth Proportional to 134,893.14, 186,162.84 and 74,475.42

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Solution

The fourth proportional to 134,893.14, 186,162.84 and 74,475.42 is: 102,781.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,893.14 : 186,162.84 = 74,475.42 : x
  2. Step 2: Convert to fraction form
    134,893.14/186,162.84 = 74,475.42/x
  3. Step 3: Cross multiply
    134,893.14x = 186,162.84 × 74,475.42
  4. Step 4: Simplify right side
    134,893.14x = 13,864,555,697.39
  5. Step 5: Solve for x
    x = 13,864,555,697.39/134,893.14
  6. Step 6: Final answer
    x = 102,781.77

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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.