Home / 172,516.25-258,807.06-60,228.53

Finding the Fourth Proportional to 172,516.25, 258,807.06 and 60,228.53

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Solution

The fourth proportional to 172,516.25, 258,807.06 and 60,228.53 is: 90,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,516.25 : 258,807.06 = 60,228.53 : x
  2. Step 2: Convert to fraction form
    172,516.25/258,807.06 = 60,228.53/x
  3. Step 3: Cross multiply
    172,516.25x = 258,807.06 × 60,228.53
  4. Step 4: Simplify right side
    172,516.25x = 15,587,568,777.42
  5. Step 5: Solve for x
    x = 15,587,568,777.42/172,516.25
  6. Step 6: Final answer
    x = 90,354.21

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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.