Home / 168,860.43-252,957.80-137,306.12

Finding the Fourth Proportional to 168,860.43, 252,957.80 and 137,306.12

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Solution

The fourth proportional to 168,860.43, 252,957.80 and 137,306.12 is: 205,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,860.43 : 252,957.80 = 137,306.12 : x
  2. Step 2: Convert to fraction form
    168,860.43/252,957.80 = 137,306.12/x
  3. Step 3: Cross multiply
    168,860.43x = 252,957.80 × 137,306.12
  4. Step 4: Simplify right side
    168,860.43x = 34,732,652,090.42
  5. Step 5: Solve for x
    x = 34,732,652,090.42/168,860.43
  6. Step 6: Final answer
    x = 205,688.52

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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.