Home / 140,574.26-193,992.36-76,912.32

Finding the Fourth Proportional to 140,574.26, 193,992.36 and 76,912.32

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Solution

The fourth proportional to 140,574.26, 193,992.36 and 76,912.32 is: 106,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,574.26 : 193,992.36 = 76,912.32 : x
  2. Step 2: Convert to fraction form
    140,574.26/193,992.36 = 76,912.32/x
  3. Step 3: Cross multiply
    140,574.26x = 193,992.36 × 76,912.32
  4. Step 4: Simplify right side
    140,574.26x = 14,920,402,469.88
  5. Step 5: Solve for x
    x = 14,920,402,469.88/140,574.26
  6. Step 6: Final answer
    x = 106,138.94

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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.