Home / 134,566.21-185,692.48-80,819.29

Finding the Fourth Proportional to 134,566.21, 185,692.48 and 80,819.29

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Solution

The fourth proportional to 134,566.21, 185,692.48 and 80,819.29 is: 111,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,566.21 : 185,692.48 = 80,819.29 : x
  2. Step 2: Convert to fraction form
    134,566.21/185,692.48 = 80,819.29/x
  3. Step 3: Cross multiply
    134,566.21x = 185,692.48 × 80,819.29
  4. Step 4: Simplify right side
    134,566.21x = 15,007,534,391.94
  5. Step 5: Solve for x
    x = 15,007,534,391.94/134,566.21
  6. Step 6: Final answer
    x = 111,525.28

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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.