Home / 120,699.43-166,526.68-69,705.43

Finding the Fourth Proportional to 120,699.43, 166,526.68 and 69,705.43

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Solution

The fourth proportional to 120,699.43, 166,526.68 and 69,705.43 is: 96,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,699.43 : 166,526.68 = 69,705.43 : x
  2. Step 2: Convert to fraction form
    120,699.43/166,526.68 = 69,705.43/x
  3. Step 3: Cross multiply
    120,699.43x = 166,526.68 × 69,705.43
  4. Step 4: Simplify right side
    120,699.43x = 11,607,813,835.87
  5. Step 5: Solve for x
    x = 11,607,813,835.87/120,699.43
  6. Step 6: Final answer
    x = 96,171.24

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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.