Home / 160,791.08-221,880.87-89,168.45

Finding the Fourth Proportional to 160,791.08, 221,880.87 and 89,168.45

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Solution

The fourth proportional to 160,791.08, 221,880.87 and 89,168.45 is: 123,046.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,791.08 : 221,880.87 = 89,168.45 : x
  2. Step 2: Convert to fraction form
    160,791.08/221,880.87 = 89,168.45/x
  3. Step 3: Cross multiply
    160,791.08x = 221,880.87 × 89,168.45
  4. Step 4: Simplify right side
    160,791.08x = 19,784,772,153.15
  5. Step 5: Solve for x
    x = 19,784,772,153.15/160,791.08
  6. Step 6: Final answer
    x = 123,046.46

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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.