Home / 209,127.57-313,692.41-51,356.08

Finding the Fourth Proportional to 209,127.57, 313,692.41 and 51,356.08

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Solution

The fourth proportional to 209,127.57, 313,692.41 and 51,356.08 is: 77,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,127.57 : 313,692.41 = 51,356.08 : x
  2. Step 2: Convert to fraction form
    209,127.57/313,692.41 = 51,356.08/x
  3. Step 3: Cross multiply
    209,127.57x = 313,692.41 × 51,356.08
  4. Step 4: Simplify right side
    209,127.57x = 16,110,012,503.35
  5. Step 5: Solve for x
    x = 16,110,012,503.35/209,127.57
  6. Step 6: Final answer
    x = 77,034.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.