Home / 155,053.54-213,997.32-94,659.40

Finding the Fourth Proportional to 155,053.54, 213,997.32 and 94,659.40

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Solution

The fourth proportional to 155,053.54, 213,997.32 and 94,659.40 is: 130,644.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,053.54 : 213,997.32 = 94,659.40 : x
  2. Step 2: Convert to fraction form
    155,053.54/213,997.32 = 94,659.40/x
  3. Step 3: Cross multiply
    155,053.54x = 213,997.32 × 94,659.40
  4. Step 4: Simplify right side
    155,053.54x = 20,256,857,912.81
  5. Step 5: Solve for x
    x = 20,256,857,912.81/155,053.54
  6. Step 6: Final answer
    x = 130,644.28

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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.