Home / 165,188.40-227,948.76-89,735.28

Finding the Fourth Proportional to 165,188.40, 227,948.76 and 89,735.28

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Solution

The fourth proportional to 165,188.40, 227,948.76 and 89,735.28 is: 123,828.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,188.40 : 227,948.76 = 89,735.28 : x
  2. Step 2: Convert to fraction form
    165,188.40/227,948.76 = 89,735.28/x
  3. Step 3: Cross multiply
    165,188.40x = 227,948.76 × 89,735.28
  4. Step 4: Simplify right side
    165,188.40x = 20,455,045,804.25
  5. Step 5: Solve for x
    x = 20,455,045,804.25/165,188.40
  6. Step 6: Final answer
    x = 123,828.58

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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.