Home / 130,087.20-195,276.60-100,635.60

Finding the Fourth Proportional to 130,087.20, 195,276.60 and 100,635.60

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Solution

The fourth proportional to 130,087.20, 195,276.60 and 100,635.60 is: 151,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,087.20 : 195,276.60 = 100,635.60 : x
  2. Step 2: Convert to fraction form
    130,087.20/195,276.60 = 100,635.60/x
  3. Step 3: Cross multiply
    130,087.20x = 195,276.60 × 100,635.60
  4. Step 4: Simplify right side
    130,087.20x = 19,651,777,806.96
  5. Step 5: Solve for x
    x = 19,651,777,806.96/130,087.20
  6. Step 6: Final answer
    x = 151,066.19

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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.