Home / 207,766.62-286,954.40-139,665.49

Finding the Fourth Proportional to 207,766.62, 286,954.40 and 139,665.49

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Solution

The fourth proportional to 207,766.62, 286,954.40 and 139,665.49 is: 192,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,766.62 : 286,954.40 = 139,665.49 : x
  2. Step 2: Convert to fraction form
    207,766.62/286,954.40 = 139,665.49/x
  3. Step 3: Cross multiply
    207,766.62x = 286,954.40 × 139,665.49
  4. Step 4: Simplify right side
    207,766.62x = 40,077,626,515.43
  5. Step 5: Solve for x
    x = 40,077,626,515.43/207,766.62
  6. Step 6: Final answer
    x = 192,897.33

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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.