Home / 120,817.86-166,716.43-70,546.02

Finding the Fourth Proportional to 120,817.86, 166,716.43 and 70,546.02

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Solution

The fourth proportional to 120,817.86, 166,716.43 and 70,546.02 is: 97,346.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,817.86 : 166,716.43 = 70,546.02 : x
  2. Step 2: Convert to fraction form
    120,817.86/166,716.43 = 70,546.02/x
  3. Step 3: Cross multiply
    120,817.86x = 166,716.43 × 70,546.02
  4. Step 4: Simplify right side
    120,817.86x = 11,761,180,605.11
  5. Step 5: Solve for x
    x = 11,761,180,605.11/120,817.86
  6. Step 6: Final answer
    x = 97,346.37

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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.