Home / 243,076.20-364,742.28-124,747.44

Finding the Fourth Proportional to 243,076.20, 364,742.28 and 124,747.44

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Solution

The fourth proportional to 243,076.20, 364,742.28 and 124,747.44 is: 187,186.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,076.20 : 364,742.28 = 124,747.44 : x
  2. Step 2: Convert to fraction form
    243,076.20/364,742.28 = 124,747.44/x
  3. Step 3: Cross multiply
    243,076.20x = 364,742.28 × 124,747.44
  4. Step 4: Simplify right side
    243,076.20x = 45,500,665,689.76
  5. Step 5: Solve for x
    x = 45,500,665,689.76/243,076.20
  6. Step 6: Final answer
    x = 187,186.84

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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.