Home / 172,079.10-258,313.05-132,810.30

Finding the Fourth Proportional to 172,079.10, 258,313.05 and 132,810.30

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Solution

The fourth proportional to 172,079.10, 258,313.05 and 132,810.30 is: 199,365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,079.10 : 258,313.05 = 132,810.30 : x
  2. Step 2: Convert to fraction form
    172,079.10/258,313.05 = 132,810.30/x
  3. Step 3: Cross multiply
    172,079.10x = 258,313.05 × 132,810.30
  4. Step 4: Simplify right side
    172,079.10x = 34,306,633,664.42
  5. Step 5: Solve for x
    x = 34,306,633,664.42/172,079.10
  6. Step 6: Final answer
    x = 199,365.49

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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.