Home / 209,351.29-313,776.77-76,075.51

Finding the Fourth Proportional to 209,351.29, 313,776.77 and 76,075.51

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Solution

The fourth proportional to 209,351.29, 313,776.77 and 76,075.51 is: 114,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,351.29 : 313,776.77 = 76,075.51 : x
  2. Step 2: Convert to fraction form
    209,351.29/313,776.77 = 76,075.51/x
  3. Step 3: Cross multiply
    209,351.29x = 313,776.77 × 76,075.51
  4. Step 4: Simplify right side
    209,351.29x = 23,870,727,803.90
  5. Step 5: Solve for x
    x = 23,870,727,803.90/209,351.29
  6. Step 6: Final answer
    x = 114,022.36

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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.