Home / 172,424.50-258,636.44-54,104.76

Finding the Fourth Proportional to 172,424.50, 258,636.44 and 54,104.76

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Solution

The fourth proportional to 172,424.50, 258,636.44 and 54,104.76 is: 81,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,424.50 : 258,636.44 = 54,104.76 : x
  2. Step 2: Convert to fraction form
    172,424.50/258,636.44 = 54,104.76/x
  3. Step 3: Cross multiply
    172,424.50x = 258,636.44 × 54,104.76
  4. Step 4: Simplify right side
    172,424.50x = 13,993,462,648.72
  5. Step 5: Solve for x
    x = 13,993,462,648.72/172,424.50
  6. Step 6: Final answer
    x = 81,157.04

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1.5x scale

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.