Home / 170,209.70-234,868.98-98,579.78

Finding the Fourth Proportional to 170,209.70, 234,868.98 and 98,579.78

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Solution

The fourth proportional to 170,209.70, 234,868.98 and 98,579.78 is: 136,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,209.70 : 234,868.98 = 98,579.78 : x
  2. Step 2: Convert to fraction form
    170,209.70/234,868.98 = 98,579.78/x
  3. Step 3: Cross multiply
    170,209.70x = 234,868.98 × 98,579.78
  4. Step 4: Simplify right side
    170,209.70x = 23,153,332,377.22
  5. Step 5: Solve for x
    x = 23,153,332,377.22/170,209.70
  6. Step 6: Final answer
    x = 136,028.28

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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.