Home / 126,865.44-175,065.48-70,272

Finding the Fourth Proportional to 126,865.44, 175,065.48 and 70,272

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Solution

The fourth proportional to 126,865.44, 175,065.48 and 70,272 is: 96,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,865.44 : 175,065.48 = 70,272 : x
  2. Step 2: Convert to fraction form
    126,865.44/175,065.48 = 70,272/x
  3. Step 3: Cross multiply
    126,865.44x = 175,065.48 × 70,272
  4. Step 4: Simplify right side
    126,865.44x = 12,302,201,410.56
  5. Step 5: Solve for x
    x = 12,302,201,410.56/126,865.44
  6. Step 6: Final answer
    x = 96,970.47

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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.