Home / 161,744.64-242,753.28-68,317.44

Finding the Fourth Proportional to 161,744.64, 242,753.28 and 68,317.44

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Solution

The fourth proportional to 161,744.64, 242,753.28 and 68,317.44 is: 102,533.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,744.64 : 242,753.28 = 68,317.44 : x
  2. Step 2: Convert to fraction form
    161,744.64/242,753.28 = 68,317.44/x
  3. Step 3: Cross multiply
    161,744.64x = 242,753.28 × 68,317.44
  4. Step 4: Simplify right side
    161,744.64x = 16,584,282,641.20
  5. Step 5: Solve for x
    x = 16,584,282,641.20/161,744.64
  6. Step 6: Final answer
    x = 102,533.74

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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.