Home / 127,992.24-191,988.30-68,746.40

Finding the Fourth Proportional to 127,992.24, 191,988.30 and 68,746.40

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Solution

The fourth proportional to 127,992.24, 191,988.30 and 68,746.40 is: 103,119.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,992.24 : 191,988.30 = 68,746.40 : x
  2. Step 2: Convert to fraction form
    127,992.24/191,988.30 = 68,746.40/x
  3. Step 3: Cross multiply
    127,992.24x = 191,988.30 × 68,746.40
  4. Step 4: Simplify right side
    127,992.24x = 13,198,504,467.12
  5. Step 5: Solve for x
    x = 13,198,504,467.12/127,992.24
  6. Step 6: Final answer
    x = 103,119.57

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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.