Home / 126,929.36-175,162.32-73,213.52

Finding the Fourth Proportional to 126,929.36, 175,162.32 and 73,213.52

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Solution

The fourth proportional to 126,929.36, 175,162.32 and 73,213.52 is: 101,034.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,929.36 : 175,162.32 = 73,213.52 : x
  2. Step 2: Convert to fraction form
    126,929.36/175,162.32 = 73,213.52/x
  3. Step 3: Cross multiply
    126,929.36x = 175,162.32 × 73,213.52
  4. Step 4: Simplify right side
    126,929.36x = 12,824,250,018.57
  5. Step 5: Solve for x
    x = 12,824,250,018.57/126,929.36
  6. Step 6: Final answer
    x = 101,034.54

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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.