Home / 236,971.38-355,142.69-103,706.54

Finding the Fourth Proportional to 236,971.38, 355,142.69 and 103,706.54

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Solution

The fourth proportional to 236,971.38, 355,142.69 and 103,706.54 is: 155,422.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,971.38 : 355,142.69 = 103,706.54 : x
  2. Step 2: Convert to fraction form
    236,971.38/355,142.69 = 103,706.54/x
  3. Step 3: Cross multiply
    236,971.38x = 355,142.69 × 103,706.54
  4. Step 4: Simplify right side
    236,971.38x = 36,830,619,012.63
  5. Step 5: Solve for x
    x = 36,830,619,012.63/236,971.38
  6. Step 6: Final answer
    x = 155,422.22

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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.