Home / 242,551.76-334,723.66-135,121.44

Finding the Fourth Proportional to 242,551.76, 334,723.66 and 135,121.44

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Solution

The fourth proportional to 242,551.76, 334,723.66 and 135,121.44 is: 186,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,551.76 : 334,723.66 = 135,121.44 : x
  2. Step 2: Convert to fraction form
    242,551.76/334,723.66 = 135,121.44/x
  3. Step 3: Cross multiply
    242,551.76x = 334,723.66 × 135,121.44
  4. Step 4: Simplify right side
    242,551.76x = 45,228,342,941.27
  5. Step 5: Solve for x
    x = 45,228,342,941.27/242,551.76
  6. Step 6: Final answer
    x = 186,468.83

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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.