Home / 135,025.60-202,538.40-103,532.80

Finding the Fourth Proportional to 135,025.60, 202,538.40 and 103,532.80

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Solution

The fourth proportional to 135,025.60, 202,538.40 and 103,532.80 is: 155,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,025.60 : 202,538.40 = 103,532.80 : x
  2. Step 2: Convert to fraction form
    135,025.60/202,538.40 = 103,532.80/x
  3. Step 3: Cross multiply
    135,025.60x = 202,538.40 × 103,532.80
  4. Step 4: Simplify right side
    135,025.60x = 20,969,367,659.52
  5. Step 5: Solve for x
    x = 20,969,367,659.52/135,025.60
  6. Step 6: Final answer
    x = 155,299.20

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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.