Home / 205,698.06-308,227.95-142,641.18

Finding the Fourth Proportional to 205,698.06, 308,227.95 and 142,641.18

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Solution

The fourth proportional to 205,698.06, 308,227.95 and 142,641.18 is: 213,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,698.06 : 308,227.95 = 142,641.18 : x
  2. Step 2: Convert to fraction form
    205,698.06/308,227.95 = 142,641.18/x
  3. Step 3: Cross multiply
    205,698.06x = 308,227.95 × 142,641.18
  4. Step 4: Simplify right side
    205,698.06x = 43,965,998,496.98
  5. Step 5: Solve for x
    x = 43,965,998,496.98/205,698.06
  6. Step 6: Final answer
    x = 213,740.46

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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.