Home / 165,163.86-227,945.25-155,030.22

Finding the Fourth Proportional to 165,163.86, 227,945.25 and 155,030.22

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Solution

The fourth proportional to 165,163.86, 227,945.25 and 155,030.22 is: 213,959.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,163.86 : 227,945.25 = 155,030.22 : x
  2. Step 2: Convert to fraction form
    165,163.86/227,945.25 = 155,030.22/x
  3. Step 3: Cross multiply
    165,163.86x = 227,945.25 × 155,030.22
  4. Step 4: Simplify right side
    165,163.86x = 35,338,402,255.46
  5. Step 5: Solve for x
    x = 35,338,402,255.46/165,163.86
  6. Step 6: Final answer
    x = 213,959.65

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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.