Home / 172,152.10-258,243.03-47,493.10

Finding the Fourth Proportional to 172,152.10, 258,243.03 and 47,493.10

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Solution

The fourth proportional to 172,152.10, 258,243.03 and 47,493.10 is: 71,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,152.10 : 258,243.03 = 47,493.10 : x
  2. Step 2: Convert to fraction form
    172,152.10/258,243.03 = 47,493.10/x
  3. Step 3: Cross multiply
    172,152.10x = 258,243.03 × 47,493.10
  4. Step 4: Simplify right side
    172,152.10x = 12,264,761,810.63
  5. Step 5: Solve for x
    x = 12,264,761,810.63/172,152.10
  6. Step 6: Final answer
    x = 71,243.75

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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.