Home / 164,580.03-227,119.11-89,128.53

Finding the Fourth Proportional to 164,580.03, 227,119.11 and 89,128.53

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Solution

The fourth proportional to 164,580.03, 227,119.11 and 89,128.53 is: 122,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,580.03 : 227,119.11 = 89,128.53 : x
  2. Step 2: Convert to fraction form
    164,580.03/227,119.11 = 89,128.53/x
  3. Step 3: Cross multiply
    164,580.03x = 227,119.11 × 89,128.53
  4. Step 4: Simplify right side
    164,580.03x = 20,242,792,409.21
  5. Step 5: Solve for x
    x = 20,242,792,409.21/164,580.03
  6. Step 6: Final answer
    x = 122,996.65

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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.