Home / 151,692.76-209,334.54-83,710.36

Finding the Fourth Proportional to 151,692.76, 209,334.54 and 83,710.36

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Solution

The fourth proportional to 151,692.76, 209,334.54 and 83,710.36 is: 115,519.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,692.76 : 209,334.54 = 83,710.36 : x
  2. Step 2: Convert to fraction form
    151,692.76/209,334.54 = 83,710.36/x
  3. Step 3: Cross multiply
    151,692.76x = 209,334.54 × 83,710.36
  4. Step 4: Simplify right side
    151,692.76x = 17,523,469,703.83
  5. Step 5: Solve for x
    x = 17,523,469,703.83/151,692.76
  6. Step 6: Final answer
    x = 115,519.49

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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.