Home / 125,358.45-172,994.69-68,769.82

Finding the Fourth Proportional to 125,358.45, 172,994.69 and 68,769.82

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Solution

The fourth proportional to 125,358.45, 172,994.69 and 68,769.82 is: 94,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,358.45 : 172,994.69 = 68,769.82 : x
  2. Step 2: Convert to fraction form
    125,358.45/172,994.69 = 68,769.82/x
  3. Step 3: Cross multiply
    125,358.45x = 172,994.69 × 68,769.82
  4. Step 4: Simplify right side
    125,358.45x = 11,896,813,692.26
  5. Step 5: Solve for x
    x = 11,896,813,692.26/125,358.45
  6. Step 6: Final answer
    x = 94,902.37

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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.