Home / 209,283.32-313,504.14-96,805.64

Finding the Fourth Proportional to 209,283.32, 313,504.14 and 96,805.64

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Solution

The fourth proportional to 209,283.32, 313,504.14 and 96,805.64 is: 145,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,283.32 : 313,504.14 = 96,805.64 : x
  2. Step 2: Convert to fraction form
    209,283.32/313,504.14 = 96,805.64/x
  3. Step 3: Cross multiply
    209,283.32x = 313,504.14 × 96,805.64
  4. Step 4: Simplify right side
    209,283.32x = 30,348,968,915.35
  5. Step 5: Solve for x
    x = 30,348,968,915.35/209,283.32
  6. Step 6: Final answer
    x = 145,013.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.