Home / 243,820.26-336,539.60-141,865.42

Finding the Fourth Proportional to 243,820.26, 336,539.60 and 141,865.42

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Solution

The fourth proportional to 243,820.26, 336,539.60 and 141,865.42 is: 195,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,820.26 : 336,539.60 = 141,865.42 : x
  2. Step 2: Convert to fraction form
    243,820.26/336,539.60 = 141,865.42/x
  3. Step 3: Cross multiply
    243,820.26x = 336,539.60 × 141,865.42
  4. Step 4: Simplify right side
    243,820.26x = 47,743,331,700.63
  5. Step 5: Solve for x
    x = 47,743,331,700.63/243,820.26
  6. Step 6: Final answer
    x = 195,813.64

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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.