Home / 120,647.25-166,493.34-70,355.97

Finding the Fourth Proportional to 120,647.25, 166,493.34 and 70,355.97

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Solution

The fourth proportional to 120,647.25, 166,493.34 and 70,355.97 is: 97,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,647.25 : 166,493.34 = 70,355.97 : x
  2. Step 2: Convert to fraction form
    120,647.25/166,493.34 = 70,355.97/x
  3. Step 3: Cross multiply
    120,647.25x = 166,493.34 × 70,355.97
  4. Step 4: Simplify right side
    120,647.25x = 11,713,800,434.24
  5. Step 5: Solve for x
    x = 11,713,800,434.24/120,647.25
  6. Step 6: Final answer
    x = 97,091.32

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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.