Home / 145,356.39-200,546.75-84,883.41

Finding the Fourth Proportional to 145,356.39, 200,546.75 and 84,883.41

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Solution

The fourth proportional to 145,356.39, 200,546.75 and 84,883.41 is: 117,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,356.39 : 200,546.75 = 84,883.41 : x
  2. Step 2: Convert to fraction form
    145,356.39/200,546.75 = 84,883.41/x
  3. Step 3: Cross multiply
    145,356.39x = 200,546.75 × 84,883.41
  4. Step 4: Simplify right side
    145,356.39x = 17,023,091,580.00
  5. Step 5: Solve for x
    x = 17,023,091,580.00/145,356.39
  6. Step 6: Final answer
    x = 117,112.78

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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.