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Finding the Fourth Proportional to 114,753.60, 172,135.26 and 35,869.32

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Solution

The fourth proportional to 114,753.60, 172,135.26 and 35,869.32 is: 53,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,753.60 : 172,135.26 = 35,869.32 : x
  2. Step 2: Convert to fraction form
    114,753.60/172,135.26 = 35,869.32/x
  3. Step 3: Cross multiply
    114,753.60x = 172,135.26 × 35,869.32
  4. Step 4: Simplify right side
    114,753.60x = 6,174,374,724.22
  5. Step 5: Solve for x
    x = 6,174,374,724.22/114,753.60
  6. Step 6: Final answer
    x = 53,805.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.