Home / 130,301.60-195,481.08-74,168.12

Finding the Fourth Proportional to 130,301.60, 195,481.08 and 74,168.12

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Solution

The fourth proportional to 130,301.60, 195,481.08 and 74,168.12 is: 111,268.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,301.60 : 195,481.08 = 74,168.12 : x
  2. Step 2: Convert to fraction form
    130,301.60/195,481.08 = 74,168.12/x
  3. Step 3: Cross multiply
    130,301.60x = 195,481.08 × 74,168.12
  4. Step 4: Simplify right side
    130,301.60x = 14,498,464,199.17
  5. Step 5: Solve for x
    x = 14,498,464,199.17/130,301.60
  6. Step 6: Final answer
    x = 111,268.50

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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.