Home / 130,311.21-195,503.82-67,177.62

Finding the Fourth Proportional to 130,311.21, 195,503.82 and 67,177.62

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Solution

The fourth proportional to 130,311.21, 195,503.82 and 67,177.62 is: 100,785.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,311.21 : 195,503.82 = 67,177.62 : x
  2. Step 2: Convert to fraction form
    130,311.21/195,503.82 = 67,177.62/x
  3. Step 3: Cross multiply
    130,311.21x = 195,503.82 × 67,177.62
  4. Step 4: Simplify right side
    130,311.21x = 13,133,481,328.51
  5. Step 5: Solve for x
    x = 13,133,481,328.51/130,311.21
  6. Step 6: Final answer
    x = 100,785.51

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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.