Home / 172,084.07-258,162.54-53,764.32

Finding the Fourth Proportional to 172,084.07, 258,162.54 and 53,764.32

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Solution

The fourth proportional to 172,084.07, 258,162.54 and 53,764.32 is: 80,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,084.07 : 258,162.54 = 53,764.32 : x
  2. Step 2: Convert to fraction form
    172,084.07/258,162.54 = 53,764.32/x
  3. Step 3: Cross multiply
    172,084.07x = 258,162.54 × 53,764.32
  4. Step 4: Simplify right side
    172,084.07x = 13,879,933,412.57
  5. Step 5: Solve for x
    x = 13,879,933,412.57/172,084.07
  6. Step 6: Final answer
    x = 80,657.87

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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.