Home / 147,865.48-204,043.32-90,481.36

Finding the Fourth Proportional to 147,865.48, 204,043.32 and 90,481.36

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Solution

The fourth proportional to 147,865.48, 204,043.32 and 90,481.36 is: 124,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,865.48 : 204,043.32 = 90,481.36 : x
  2. Step 2: Convert to fraction form
    147,865.48/204,043.32 = 90,481.36/x
  3. Step 3: Cross multiply
    147,865.48x = 204,043.32 × 90,481.36
  4. Step 4: Simplify right side
    147,865.48x = 18,462,117,092.52
  5. Step 5: Solve for x
    x = 18,462,117,092.52/147,865.48
  6. Step 6: Final answer
    x = 124,857.52

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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.