Home / 236,606.39-326,521.77-129,180.95

Finding the Fourth Proportional to 236,606.39, 326,521.77 and 129,180.95

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Solution

The fourth proportional to 236,606.39, 326,521.77 and 129,180.95 is: 178,272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,606.39 : 326,521.77 = 129,180.95 : x
  2. Step 2: Convert to fraction form
    236,606.39/326,521.77 = 129,180.95/x
  3. Step 3: Cross multiply
    236,606.39x = 326,521.77 × 129,180.95
  4. Step 4: Simplify right side
    236,606.39x = 42,180,392,444.28
  5. Step 5: Solve for x
    x = 42,180,392,444.28/236,606.39
  6. Step 6: Final answer
    x = 178,272.41

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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.