Home / 236,818.28-326,799.51-129,392

Finding the Fourth Proportional to 236,818.28, 326,799.51 and 129,392

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Solution

The fourth proportional to 236,818.28, 326,799.51 and 129,392 is: 178,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,818.28 : 326,799.51 = 129,392 : x
  2. Step 2: Convert to fraction form
    236,818.28/326,799.51 = 129,392/x
  3. Step 3: Cross multiply
    236,818.28x = 326,799.51 × 129,392
  4. Step 4: Simplify right side
    236,818.28x = 42,285,242,197.92
  5. Step 5: Solve for x
    x = 42,285,242,197.92/236,818.28
  6. Step 6: Final answer
    x = 178,555.65

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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.