Home / 165,021.02-227,729.44-89,569.52

Finding the Fourth Proportional to 165,021.02, 227,729.44 and 89,569.52

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Solution

The fourth proportional to 165,021.02, 227,729.44 and 89,569.52 is: 123,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,021.02 : 227,729.44 = 89,569.52 : x
  2. Step 2: Convert to fraction form
    165,021.02/227,729.44 = 89,569.52/x
  3. Step 3: Cross multiply
    165,021.02x = 227,729.44 × 89,569.52
  4. Step 4: Simplify right side
    165,021.02x = 20,397,616,630.67
  5. Step 5: Solve for x
    x = 20,397,616,630.67/165,021.02
  6. Step 6: Final answer
    x = 123,606.17

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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.