Home / 345,984.66-519,063.39-96,664.50

Finding the Fourth Proportional to 345,984.66, 519,063.39 and 96,664.50

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Solution

The fourth proportional to 345,984.66, 519,063.39 and 96,664.50 is: 145,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,984.66 : 519,063.39 = 96,664.50 : x
  2. Step 2: Convert to fraction form
    345,984.66/519,063.39 = 96,664.50/x
  3. Step 3: Cross multiply
    345,984.66x = 519,063.39 × 96,664.50
  4. Step 4: Simplify right side
    345,984.66x = 50,175,003,062.66
  5. Step 5: Solve for x
    x = 50,175,003,062.66/345,984.66
  6. Step 6: Final answer
    x = 145,020.89

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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.