Home / 160,840.73-221,942.30-89,202.80

Finding the Fourth Proportional to 160,840.73, 221,942.30 and 89,202.80

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Solution

The fourth proportional to 160,840.73, 221,942.30 and 89,202.80 is: 123,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,840.73 : 221,942.30 = 89,202.80 : x
  2. Step 2: Convert to fraction form
    160,840.73/221,942.30 = 89,202.80/x
  3. Step 3: Cross multiply
    160,840.73x = 221,942.30 × 89,202.80
  4. Step 4: Simplify right side
    160,840.73x = 19,797,873,042.71
  5. Step 5: Solve for x
    x = 19,797,873,042.71/160,840.73
  6. Step 6: Final answer
    x = 123,089.93

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1.5x scale

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.