Home / 204,621.36-282,416.70-115,197.36

Finding the Fourth Proportional to 204,621.36, 282,416.70 and 115,197.36

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Solution

The fourth proportional to 204,621.36, 282,416.70 and 115,197.36 is: 158,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,621.36 : 282,416.70 = 115,197.36 : x
  2. Step 2: Convert to fraction form
    204,621.36/282,416.70 = 115,197.36/x
  3. Step 3: Cross multiply
    204,621.36x = 282,416.70 × 115,197.36
  4. Step 4: Simplify right side
    204,621.36x = 32,533,658,259.91
  5. Step 5: Solve for x
    x = 32,533,658,259.91/204,621.36
  6. Step 6: Final answer
    x = 158,994.44

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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.