Home / 130,450.60-195,416.70-71,180.20

Finding the Fourth Proportional to 130,450.60, 195,416.70 and 71,180.20

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Solution

The fourth proportional to 130,450.60, 195,416.70 and 71,180.20 is: 106,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,450.60 : 195,416.70 = 71,180.20 : x
  2. Step 2: Convert to fraction form
    130,450.60/195,416.70 = 71,180.20/x
  3. Step 3: Cross multiply
    130,450.60x = 195,416.70 × 71,180.20
  4. Step 4: Simplify right side
    130,450.60x = 13,909,799,789.34
  5. Step 5: Solve for x
    x = 13,909,799,789.34/130,450.60
  6. Step 6: Final answer
    x = 106,628.87

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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.