Home / 208,822.77-288,133.73-127,096.28

Finding the Fourth Proportional to 208,822.77, 288,133.73 and 127,096.28

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Solution

The fourth proportional to 208,822.77, 288,133.73 and 127,096.28 is: 175,367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,822.77 : 288,133.73 = 127,096.28 : x
  2. Step 2: Convert to fraction form
    208,822.77/288,133.73 = 127,096.28/x
  3. Step 3: Cross multiply
    208,822.77x = 288,133.73 × 127,096.28
  4. Step 4: Simplify right side
    208,822.77x = 36,620,725,183.10
  5. Step 5: Solve for x
    x = 36,620,725,183.10/208,822.77
  6. Step 6: Final answer
    x = 175,367.49

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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.