Home / 172,521.50-258,782.26-47,862.50

Finding the Fourth Proportional to 172,521.50, 258,782.26 and 47,862.50

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Solution

The fourth proportional to 172,521.50, 258,782.26 and 47,862.50 is: 71,793.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,521.50 : 258,782.26 = 47,862.50 : x
  2. Step 2: Convert to fraction form
    172,521.50/258,782.26 = 47,862.50/x
  3. Step 3: Cross multiply
    172,521.50x = 258,782.26 × 47,862.50
  4. Step 4: Simplify right side
    172,521.50x = 12,385,965,919.25
  5. Step 5: Solve for x
    x = 12,385,965,919.25/172,521.50
  6. Step 6: Final answer
    x = 71,793.75

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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.