Home / 160,619.23-221,651.22-88,998.62

Finding the Fourth Proportional to 160,619.23, 221,651.22 and 88,998.62

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Solution

The fourth proportional to 160,619.23, 221,651.22 and 88,998.62 is: 122,816.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,619.23 : 221,651.22 = 88,998.62 : x
  2. Step 2: Convert to fraction form
    160,619.23/221,651.22 = 88,998.62/x
  3. Step 3: Cross multiply
    160,619.23x = 221,651.22 × 88,998.62
  4. Step 4: Simplify right side
    160,619.23x = 19,726,653,173.59
  5. Step 5: Solve for x
    x = 19,726,653,173.59/160,619.23
  6. Step 6: Final answer
    x = 122,816.26

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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.