Home / 172,287.77-258,431.66-53,968.32

Finding the Fourth Proportional to 172,287.77, 258,431.66 and 53,968.32

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Solution

The fourth proportional to 172,287.77, 258,431.66 and 53,968.32 is: 80,952.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,287.77 : 258,431.66 = 53,968.32 : x
  2. Step 2: Convert to fraction form
    172,287.77/258,431.66 = 53,968.32/x
  3. Step 3: Cross multiply
    172,287.77x = 258,431.66 × 53,968.32
  4. Step 4: Simplify right side
    172,287.77x = 13,947,122,255.17
  5. Step 5: Solve for x
    x = 13,947,122,255.17/172,287.77
  6. Step 6: Final answer
    x = 80,952.48

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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.