Home / 236,665.53-326,594.43-129,233.21

Finding the Fourth Proportional to 236,665.53, 326,594.43 and 129,233.21

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Solution

The fourth proportional to 236,665.53, 326,594.43 and 129,233.21 is: 178,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,665.53 : 326,594.43 = 129,233.21 : x
  2. Step 2: Convert to fraction form
    236,665.53/326,594.43 = 129,233.21/x
  3. Step 3: Cross multiply
    236,665.53x = 326,594.43 × 129,233.21
  4. Step 4: Simplify right side
    236,665.53x = 42,206,844,924.05
  5. Step 5: Solve for x
    x = 42,206,844,924.05/236,665.53
  6. Step 6: Final answer
    x = 178,339.64

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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.