Home / 164,918.20-227,587.55-89,466.70

Finding the Fourth Proportional to 164,918.20, 227,587.55 and 89,466.70

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Solution

The fourth proportional to 164,918.20, 227,587.55 and 89,466.70 is: 123,464.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,918.20 : 227,587.55 = 89,466.70 : x
  2. Step 2: Convert to fraction form
    164,918.20/227,587.55 = 89,466.70/x
  3. Step 3: Cross multiply
    164,918.20x = 227,587.55 × 89,466.70
  4. Step 4: Simplify right side
    164,918.20x = 20,361,507,059.59
  5. Step 5: Solve for x
    x = 20,361,507,059.59/164,918.20
  6. Step 6: Final answer
    x = 123,464.28

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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.