Home / 134,949.36-186,226.38-74,518.86

Finding the Fourth Proportional to 134,949.36, 186,226.38 and 74,518.86

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Solution

The fourth proportional to 134,949.36, 186,226.38 and 74,518.86 is: 102,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,949.36 : 186,226.38 = 74,518.86 : x
  2. Step 2: Convert to fraction form
    134,949.36/186,226.38 = 74,518.86/x
  3. Step 3: Cross multiply
    134,949.36x = 186,226.38 × 74,518.86
  4. Step 4: Simplify right side
    134,949.36x = 13,877,377,539.53
  5. Step 5: Solve for x
    x = 13,877,377,539.53/134,949.36
  6. Step 6: Final answer
    x = 102,833.96

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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.