Home / 171,872.10-258,002.55-132,603.30

Finding the Fourth Proportional to 171,872.10, 258,002.55 and 132,603.30

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Solution

The fourth proportional to 171,872.10, 258,002.55 and 132,603.30 is: 199,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,872.10 : 258,002.55 = 132,603.30 : x
  2. Step 2: Convert to fraction form
    171,872.10/258,002.55 = 132,603.30/x
  3. Step 3: Cross multiply
    171,872.10x = 258,002.55 × 132,603.30
  4. Step 4: Simplify right side
    171,872.10x = 34,211,989,538.42
  5. Step 5: Solve for x
    x = 34,211,989,538.42/171,872.10
  6. Step 6: Final answer
    x = 199,054.93

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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.