Home / 147,268.40-203,228.88-80,200.40

Finding the Fourth Proportional to 147,268.40, 203,228.88 and 80,200.40

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Solution

The fourth proportional to 147,268.40, 203,228.88 and 80,200.40 is: 110,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,268.40 : 203,228.88 = 80,200.40 : x
  2. Step 2: Convert to fraction form
    147,268.40/203,228.88 = 80,200.40/x
  3. Step 3: Cross multiply
    147,268.40x = 203,228.88 × 80,200.40
  4. Step 4: Simplify right side
    147,268.40x = 16,299,037,467.55
  5. Step 5: Solve for x
    x = 16,299,037,467.55/147,268.40
  6. Step 6: Final answer
    x = 110,675.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.