Home / 97,300.20-145,998.90-55,212.60

Finding the Fourth Proportional to 97,300.20, 145,998.90 and 55,212.60

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Solution

The fourth proportional to 97,300.20, 145,998.90 and 55,212.60 is: 82,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,300.20 : 145,998.90 = 55,212.60 : x
  2. Step 2: Convert to fraction form
    97,300.20/145,998.90 = 55,212.60/x
  3. Step 3: Cross multiply
    97,300.20x = 145,998.90 × 55,212.60
  4. Step 4: Simplify right side
    97,300.20x = 8,060,978,866.14
  5. Step 5: Solve for x
    x = 8,060,978,866.14/97,300.20
  6. Step 6: Final answer
    x = 82,846.48

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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.