Home / 172,319.29-258,480.21-59,999.33

Finding the Fourth Proportional to 172,319.29, 258,480.21 and 59,999.33

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Solution

The fourth proportional to 172,319.29, 258,480.21 and 59,999.33 is: 89,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,319.29 : 258,480.21 = 59,999.33 : x
  2. Step 2: Convert to fraction form
    172,319.29/258,480.21 = 59,999.33/x
  3. Step 3: Cross multiply
    172,319.29x = 258,480.21 × 59,999.33
  4. Step 4: Simplify right side
    172,319.29x = 15,508,639,418.26
  5. Step 5: Solve for x
    x = 15,508,639,418.26/172,319.29
  6. Step 6: Final answer
    x = 89,999.44

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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.