Home / 130,667.67-195,954.45-45,255.40

Finding the Fourth Proportional to 130,667.67, 195,954.45 and 45,255.40

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Solution

The fourth proportional to 130,667.67, 195,954.45 and 45,255.40 is: 67,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,667.67 : 195,954.45 = 45,255.40 : x
  2. Step 2: Convert to fraction form
    130,667.67/195,954.45 = 45,255.40/x
  3. Step 3: Cross multiply
    130,667.67x = 195,954.45 × 45,255.40
  4. Step 4: Simplify right side
    130,667.67x = 8,867,997,016.53
  5. Step 5: Solve for x
    x = 8,867,997,016.53/130,667.67
  6. Step 6: Final answer
    x = 67,866.80

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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.