Home / 133,685.25-184,485.65-79,972.53

Finding the Fourth Proportional to 133,685.25, 184,485.65 and 79,972.53

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Solution

The fourth proportional to 133,685.25, 184,485.65 and 79,972.53 is: 110,362.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,685.25 : 184,485.65 = 79,972.53 : x
  2. Step 2: Convert to fraction form
    133,685.25/184,485.65 = 79,972.53/x
  3. Step 3: Cross multiply
    133,685.25x = 184,485.65 × 79,972.53
  4. Step 4: Simplify right side
    133,685.25x = 14,753,783,779.33
  5. Step 5: Solve for x
    x = 14,753,783,779.33/133,685.25
  6. Step 6: Final answer
    x = 110,362.09

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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.