Home / 236,851.64-326,844.94-129,416.60

Finding the Fourth Proportional to 236,851.64, 326,844.94 and 129,416.60

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Solution

The fourth proportional to 236,851.64, 326,844.94 and 129,416.60 is: 178,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,851.64 : 326,844.94 = 129,416.60 : x
  2. Step 2: Convert to fraction form
    236,851.64/326,844.94 = 129,416.60/x
  3. Step 3: Cross multiply
    236,851.64x = 326,844.94 × 129,416.60
  4. Step 4: Simplify right side
    236,851.64x = 42,299,160,862.00
  5. Step 5: Solve for x
    x = 42,299,160,862.00/236,851.64
  6. Step 6: Final answer
    x = 178,589.27

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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.