Home / 130,015.60-195,023.40-113,945.20

Finding the Fourth Proportional to 130,015.60, 195,023.40 and 113,945.20

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Solution

The fourth proportional to 130,015.60, 195,023.40 and 113,945.20 is: 170,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,015.60 : 195,023.40 = 113,945.20 : x
  2. Step 2: Convert to fraction form
    130,015.60/195,023.40 = 113,945.20/x
  3. Step 3: Cross multiply
    130,015.60x = 195,023.40 × 113,945.20
  4. Step 4: Simplify right side
    130,015.60x = 22,221,980,317.68
  5. Step 5: Solve for x
    x = 22,221,980,317.68/130,015.60
  6. Step 6: Final answer
    x = 170,917.80

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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.