Home / 134,997.87-186,295.89-74,572.73

Finding the Fourth Proportional to 134,997.87, 186,295.89 and 74,572.73

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Solution

The fourth proportional to 134,997.87, 186,295.89 and 74,572.73 is: 102,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,997.87 : 186,295.89 = 74,572.73 : x
  2. Step 2: Convert to fraction form
    134,997.87/186,295.89 = 74,572.73/x
  3. Step 3: Cross multiply
    134,997.87x = 186,295.89 × 74,572.73
  4. Step 4: Simplify right side
    134,997.87x = 13,892,593,570.82
  5. Step 5: Solve for x
    x = 13,892,593,570.82/134,997.87
  6. Step 6: Final answer
    x = 102,909.72

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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.