Home / 160,172.22-221,053.78-88,557.68

Finding the Fourth Proportional to 160,172.22, 221,053.78 and 88,557.68

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Solution

The fourth proportional to 160,172.22, 221,053.78 and 88,557.68 is: 122,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,172.22 : 221,053.78 = 88,557.68 : x
  2. Step 2: Convert to fraction form
    160,172.22/221,053.78 = 88,557.68/x
  3. Step 3: Cross multiply
    160,172.22x = 221,053.78 × 88,557.68
  4. Step 4: Simplify right side
    160,172.22x = 19,576,009,912.03
  5. Step 5: Solve for x
    x = 19,576,009,912.03/160,172.22
  6. Step 6: Final answer
    x = 122,218.51

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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.