Home / 217,936.17-300,750.77-122,442.03

Finding the Fourth Proportional to 217,936.17, 300,750.77 and 122,442.03

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Solution

The fourth proportional to 217,936.17, 300,750.77 and 122,442.03 is: 168,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,936.17 : 300,750.77 = 122,442.03 : x
  2. Step 2: Convert to fraction form
    217,936.17/300,750.77 = 122,442.03/x
  3. Step 3: Cross multiply
    217,936.17x = 300,750.77 × 122,442.03
  4. Step 4: Simplify right side
    217,936.17x = 36,824,535,108.97
  5. Step 5: Solve for x
    x = 36,824,535,108.97/217,936.17
  6. Step 6: Final answer
    x = 168,969.36

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1.5x scale

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.