Home / 126,734.24-174,881.28-75,736.82

Finding the Fourth Proportional to 126,734.24, 174,881.28 and 75,736.82

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Solution

The fourth proportional to 126,734.24, 174,881.28 and 75,736.82 is: 104,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,734.24 : 174,881.28 = 75,736.82 : x
  2. Step 2: Convert to fraction form
    126,734.24/174,881.28 = 75,736.82/x
  3. Step 3: Cross multiply
    126,734.24x = 174,881.28 × 75,736.82
  4. Step 4: Simplify right side
    126,734.24x = 13,244,952,024.73
  5. Step 5: Solve for x
    x = 13,244,952,024.73/126,734.24
  6. Step 6: Final answer
    x = 104,509.66

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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.