Home / 68,192.75-102,288.92-30,708.93

Finding the Fourth Proportional to 68,192.75, 102,288.92 and 30,708.93

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Solution

The fourth proportional to 68,192.75, 102,288.92 and 30,708.93 is: 46,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,192.75 : 102,288.92 = 30,708.93 : x
  2. Step 2: Convert to fraction form
    68,192.75/102,288.92 = 30,708.93/x
  3. Step 3: Cross multiply
    68,192.75x = 102,288.92 × 30,708.93
  4. Step 4: Simplify right side
    68,192.75x = 3,141,183,130.51
  5. Step 5: Solve for x
    x = 3,141,183,130.51/68,192.75
  6. Step 6: Final answer
    x = 46,063.30

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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.