Home / 242,814.04-335,084.64-135,388.60

Finding the Fourth Proportional to 242,814.04, 335,084.64 and 135,388.60

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Solution

The fourth proportional to 242,814.04, 335,084.64 and 135,388.60 is: 186,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,814.04 : 335,084.64 = 135,388.60 : x
  2. Step 2: Convert to fraction form
    242,814.04/335,084.64 = 135,388.60/x
  3. Step 3: Cross multiply
    242,814.04x = 335,084.64 × 135,388.60
  4. Step 4: Simplify right side
    242,814.04x = 45,366,640,291.10
  5. Step 5: Solve for x
    x = 45,366,640,291.10/242,814.04
  6. Step 6: Final answer
    x = 186,836.97

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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.