Home / 147,906.36-204,087.18-84,245.40

Finding the Fourth Proportional to 147,906.36, 204,087.18 and 84,245.40

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Solution

The fourth proportional to 147,906.36, 204,087.18 and 84,245.40 is: 116,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,906.36 : 204,087.18 = 84,245.40 : x
  2. Step 2: Convert to fraction form
    147,906.36/204,087.18 = 84,245.40/x
  3. Step 3: Cross multiply
    147,906.36x = 204,087.18 × 84,245.40
  4. Step 4: Simplify right side
    147,906.36x = 17,193,406,113.97
  5. Step 5: Solve for x
    x = 17,193,406,113.97/147,906.36
  6. Step 6: Final answer
    x = 116,245.21

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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.