Home / 183,972.21-275,727.46-78,667.35

Finding the Fourth Proportional to 183,972.21, 275,727.46 and 78,667.35

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Solution

The fourth proportional to 183,972.21, 275,727.46 and 78,667.35 is: 117,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,972.21 : 275,727.46 = 78,667.35 : x
  2. Step 2: Convert to fraction form
    183,972.21/275,727.46 = 78,667.35/x
  3. Step 3: Cross multiply
    183,972.21x = 275,727.46 × 78,667.35
  4. Step 4: Simplify right side
    183,972.21x = 21,690,748,600.43
  5. Step 5: Solve for x
    x = 21,690,748,600.43/183,972.21
  6. Step 6: Final answer
    x = 117,902.31

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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.