Home / 243,651.42-336,280.50-141,735.96

Finding the Fourth Proportional to 243,651.42, 336,280.50 and 141,735.96

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Solution

The fourth proportional to 243,651.42, 336,280.50 and 141,735.96 is: 195,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,651.42 : 336,280.50 = 141,735.96 : x
  2. Step 2: Convert to fraction form
    243,651.42/336,280.50 = 141,735.96/x
  3. Step 3: Cross multiply
    243,651.42x = 336,280.50 × 141,735.96
  4. Step 4: Simplify right side
    243,651.42x = 47,663,039,496.78
  5. Step 5: Solve for x
    x = 47,663,039,496.78/243,651.42
  6. Step 6: Final answer
    x = 195,619.79

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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.