Home / 208,645.07-313,029.97-147,972.22

Finding the Fourth Proportional to 208,645.07, 313,029.97 and 147,972.22

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Solution

The fourth proportional to 208,645.07, 313,029.97 and 147,972.22 is: 222,002.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,645.07 : 313,029.97 = 147,972.22 : x
  2. Step 2: Convert to fraction form
    208,645.07/313,029.97 = 147,972.22/x
  3. Step 3: Cross multiply
    208,645.07x = 313,029.97 × 147,972.22
  4. Step 4: Simplify right side
    208,645.07x = 46,319,738,434.93
  5. Step 5: Solve for x
    x = 46,319,738,434.93/208,645.07
  6. Step 6: Final answer
    x = 222,002.56

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1.5x scale

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.