Home / 120,936.16-166,833.84-104,140

Finding the Fourth Proportional to 120,936.16, 166,833.84 and 104,140

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Solution

The fourth proportional to 120,936.16, 166,833.84 and 104,140 is: 143,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,936.16 : 166,833.84 = 104,140 : x
  2. Step 2: Convert to fraction form
    120,936.16/166,833.84 = 104,140/x
  3. Step 3: Cross multiply
    120,936.16x = 166,833.84 × 104,140
  4. Step 4: Simplify right side
    120,936.16x = 17,374,076,097.60
  5. Step 5: Solve for x
    x = 17,374,076,097.60/120,936.16
  6. Step 6: Final answer
    x = 143,663.20

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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.