Home / 236,696.38-326,646.76-129,265.54

Finding the Fourth Proportional to 236,696.38, 326,646.76 and 129,265.54

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Solution

The fourth proportional to 236,696.38, 326,646.76 and 129,265.54 is: 178,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,696.38 : 326,646.76 = 129,265.54 : x
  2. Step 2: Convert to fraction form
    236,696.38/326,646.76 = 129,265.54/x
  3. Step 3: Cross multiply
    236,696.38x = 326,646.76 × 129,265.54
  4. Step 4: Simplify right side
    236,696.38x = 42,224,169,820.65
  5. Step 5: Solve for x
    x = 42,224,169,820.65/236,696.38
  6. Step 6: Final answer
    x = 178,389.59

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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.