Home / 135,941.23-187,667.07-84,982.30

Finding the Fourth Proportional to 135,941.23, 187,667.07 and 84,982.30

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Solution

The fourth proportional to 135,941.23, 187,667.07 and 84,982.30 is: 117,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,941.23 : 187,667.07 = 84,982.30 : x
  2. Step 2: Convert to fraction form
    135,941.23/187,667.07 = 84,982.30/x
  3. Step 3: Cross multiply
    135,941.23x = 187,667.07 × 84,982.30
  4. Step 4: Simplify right side
    135,941.23x = 15,948,379,242.86
  5. Step 5: Solve for x
    x = 15,948,379,242.86/135,941.23
  6. Step 6: Final answer
    x = 117,318.19

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1.5x scale

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.