Home / 215,736.72-297,692.04-125,073.76

Finding the Fourth Proportional to 215,736.72, 297,692.04 and 125,073.76

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Solution

The fourth proportional to 215,736.72, 297,692.04 and 125,073.76 is: 172,587.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,736.72 : 297,692.04 = 125,073.76 : x
  2. Step 2: Convert to fraction form
    215,736.72/297,692.04 = 125,073.76/x
  3. Step 3: Cross multiply
    215,736.72x = 297,692.04 × 125,073.76
  4. Step 4: Simplify right side
    215,736.72x = 37,233,462,764.87
  5. Step 5: Solve for x
    x = 37,233,462,764.87/215,736.72
  6. Step 6: Final answer
    x = 172,587.51

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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.