Home / 236,921.76-355,163.94-118,490.04

Finding the Fourth Proportional to 236,921.76, 355,163.94 and 118,490.04

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Solution

The fourth proportional to 236,921.76, 355,163.94 and 118,490.04 is: 177,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,921.76 : 355,163.94 = 118,490.04 : x
  2. Step 2: Convert to fraction form
    236,921.76/355,163.94 = 118,490.04/x
  3. Step 3: Cross multiply
    236,921.76x = 355,163.94 × 118,490.04
  4. Step 4: Simplify right side
    236,921.76x = 42,083,389,457.16
  5. Step 5: Solve for x
    x = 42,083,389,457.16/236,921.76
  6. Step 6: Final answer
    x = 177,625.68

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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.