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Finding the Fourth Proportional to 115,966.02, 160,030.40 and 68,222.44

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Solution

The fourth proportional to 115,966.02, 160,030.40 and 68,222.44 is: 94,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,966.02 : 160,030.40 = 68,222.44 : x
  2. Step 2: Convert to fraction form
    115,966.02/160,030.40 = 68,222.44/x
  3. Step 3: Cross multiply
    115,966.02x = 160,030.40 × 68,222.44
  4. Step 4: Simplify right side
    115,966.02x = 10,917,664,362.18
  5. Step 5: Solve for x
    x = 10,917,664,362.18/115,966.02
  6. Step 6: Final answer
    x = 94,145.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.