Home / 140,574.32-193,997.22-76,912.15

Finding the Fourth Proportional to 140,574.32, 193,997.22 and 76,912.15

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Solution

The fourth proportional to 140,574.32, 193,997.22 and 76,912.15 is: 106,141.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,574.32 : 193,997.22 = 76,912.15 : x
  2. Step 2: Convert to fraction form
    140,574.32/193,997.22 = 76,912.15/x
  3. Step 3: Cross multiply
    140,574.32x = 193,997.22 × 76,912.15
  4. Step 4: Simplify right side
    140,574.32x = 14,920,743,284.22
  5. Step 5: Solve for x
    x = 14,920,743,284.22/140,574.32
  6. Step 6: Final answer
    x = 106,141.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.