Home / 205,184.91-308,117.76-126,797.37

Finding the Fourth Proportional to 205,184.91, 308,117.76 and 126,797.37

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Solution

The fourth proportional to 205,184.91, 308,117.76 and 126,797.37 is: 190,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,184.91 : 308,117.76 = 126,797.37 : x
  2. Step 2: Convert to fraction form
    205,184.91/308,117.76 = 126,797.37/x
  3. Step 3: Cross multiply
    205,184.91x = 308,117.76 × 126,797.37
  4. Step 4: Simplify right side
    205,184.91x = 39,068,521,618.29
  5. Step 5: Solve for x
    x = 39,068,521,618.29/205,184.91
  6. Step 6: Final answer
    x = 190,406.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.