Home / 134,997.77-186,298.71-74,568.26

Finding the Fourth Proportional to 134,997.77, 186,298.71 and 74,568.26

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Solution

The fourth proportional to 134,997.77, 186,298.71 and 74,568.26 is: 102,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,997.77 : 186,298.71 = 74,568.26 : x
  2. Step 2: Convert to fraction form
    134,997.77/186,298.71 = 74,568.26/x
  3. Step 3: Cross multiply
    134,997.77x = 186,298.71 × 74,568.26
  4. Step 4: Simplify right side
    134,997.77x = 13,891,970,644.94
  5. Step 5: Solve for x
    x = 13,891,970,644.94/134,997.77
  6. Step 6: Final answer
    x = 102,905.19

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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.