Home / 236,948.58-326,989.02-129,519.04

Finding the Fourth Proportional to 236,948.58, 326,989.02 and 129,519.04

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Solution

The fourth proportional to 236,948.58, 326,989.02 and 129,519.04 is: 178,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,948.58 : 326,989.02 = 129,519.04 : x
  2. Step 2: Convert to fraction form
    236,948.58/326,989.02 = 129,519.04/x
  3. Step 3: Cross multiply
    236,948.58x = 326,989.02 × 129,519.04
  4. Step 4: Simplify right side
    236,948.58x = 42,351,303,513.72
  5. Step 5: Solve for x
    x = 42,351,303,513.72/236,948.58
  6. Step 6: Final answer
    x = 178,736.26

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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.