Home / 172,081.06-258,158.04-53,761.32

Finding the Fourth Proportional to 172,081.06, 258,158.04 and 53,761.32

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Solution

The fourth proportional to 172,081.06, 258,158.04 and 53,761.32 is: 80,653.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,081.06 : 258,158.04 = 53,761.32 : x
  2. Step 2: Convert to fraction form
    172,081.06/258,158.04 = 53,761.32/x
  3. Step 3: Cross multiply
    172,081.06x = 258,158.04 × 53,761.32
  4. Step 4: Simplify right side
    172,081.06x = 13,878,916,797.41
  5. Step 5: Solve for x
    x = 13,878,916,797.41/172,081.06
  6. Step 6: Final answer
    x = 80,653.37

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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.