Home / 110,999.12-166,421.44-47,800.29

Finding the Fourth Proportional to 110,999.12, 166,421.44 and 47,800.29

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Solution

The fourth proportional to 110,999.12, 166,421.44 and 47,800.29 is: 71,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,999.12 : 166,421.44 = 47,800.29 : x
  2. Step 2: Convert to fraction form
    110,999.12/166,421.44 = 47,800.29/x
  3. Step 3: Cross multiply
    110,999.12x = 166,421.44 × 47,800.29
  4. Step 4: Simplify right side
    110,999.12x = 7,954,993,094.22
  5. Step 5: Solve for x
    x = 7,954,993,094.22/110,999.12
  6. Step 6: Final answer
    x = 71,667.17

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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.