Home / 188,285.04-259,834.77-107,707.59

Finding the Fourth Proportional to 188,285.04, 259,834.77 and 107,707.59

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Solution

The fourth proportional to 188,285.04, 259,834.77 and 107,707.59 is: 148,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,285.04 : 259,834.77 = 107,707.59 : x
  2. Step 2: Convert to fraction form
    188,285.04/259,834.77 = 107,707.59/x
  3. Step 3: Cross multiply
    188,285.04x = 259,834.77 × 107,707.59
  4. Step 4: Simplify right side
    188,285.04x = 27,986,176,874.90
  5. Step 5: Solve for x
    x = 27,986,176,874.90/188,285.04
  6. Step 6: Final answer
    x = 148,637.28

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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.