Home / 160,827.69-221,940.60-89,205.87

Finding the Fourth Proportional to 160,827.69, 221,940.60 and 89,205.87

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Solution

The fourth proportional to 160,827.69, 221,940.60 and 89,205.87 is: 123,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,827.69 : 221,940.60 = 89,205.87 : x
  2. Step 2: Convert to fraction form
    160,827.69/221,940.60 = 89,205.87/x
  3. Step 3: Cross multiply
    160,827.69x = 221,940.60 × 89,205.87
  4. Step 4: Simplify right side
    160,827.69x = 19,798,404,311.32
  5. Step 5: Solve for x
    x = 19,798,404,311.32/160,827.69
  6. Step 6: Final answer
    x = 123,103.21

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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.