Home / 147,664.92-203,708.36-87,194.36

Finding the Fourth Proportional to 147,664.92, 203,708.36 and 87,194.36

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Solution

The fourth proportional to 147,664.92, 203,708.36 and 87,194.36 is: 120,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,664.92 : 203,708.36 = 87,194.36 : x
  2. Step 2: Convert to fraction form
    147,664.92/203,708.36 = 87,194.36/x
  3. Step 3: Cross multiply
    147,664.92x = 203,708.36 × 87,194.36
  4. Step 4: Simplify right side
    147,664.92x = 17,762,220,076.85
  5. Step 5: Solve for x
    x = 17,762,220,076.85/147,664.92
  6. Step 6: Final answer
    x = 120,287.34

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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.