Home / 164,688.30-227,270.66-89,236.80

Finding the Fourth Proportional to 164,688.30, 227,270.66 and 89,236.80

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Solution

The fourth proportional to 164,688.30, 227,270.66 and 89,236.80 is: 123,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,688.30 : 227,270.66 = 89,236.80 : x
  2. Step 2: Convert to fraction form
    164,688.30/227,270.66 = 89,236.80/x
  3. Step 3: Cross multiply
    164,688.30x = 227,270.66 × 89,236.80
  4. Step 4: Simplify right side
    164,688.30x = 20,280,905,986.10
  5. Step 5: Solve for x
    x = 20,280,905,986.10/164,688.30
  6. Step 6: Final answer
    x = 123,147.22

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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.