Home / 130,667.61-195,954.35-45,255.33

Finding the Fourth Proportional to 130,667.61, 195,954.35 and 45,255.33

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Solution

The fourth proportional to 130,667.61, 195,954.35 and 45,255.33 is: 67,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,667.61 : 195,954.35 = 45,255.33 : x
  2. Step 2: Convert to fraction form
    130,667.61/195,954.35 = 45,255.33/x
  3. Step 3: Cross multiply
    130,667.61x = 195,954.35 × 45,255.33
  4. Step 4: Simplify right side
    130,667.61x = 8,867,979,150.93
  5. Step 5: Solve for x
    x = 8,867,979,150.93/130,667.61
  6. Step 6: Final answer
    x = 67,866.70

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1.5x scale

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.