Home / 242,901.20-364,265.40-109,845.20

Finding the Fourth Proportional to 242,901.20, 364,265.40 and 109,845.20

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Solution

The fourth proportional to 242,901.20, 364,265.40 and 109,845.20 is: 164,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,901.20 : 364,265.40 = 109,845.20 : x
  2. Step 2: Convert to fraction form
    242,901.20/364,265.40 = 109,845.20/x
  3. Step 3: Cross multiply
    242,901.20x = 364,265.40 × 109,845.20
  4. Step 4: Simplify right side
    242,901.20x = 40,012,805,716.08
  5. Step 5: Solve for x
    x = 40,012,805,716.08/242,901.20
  6. Step 6: Final answer
    x = 164,728.73

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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.