Home / 80,836.40-121,254.60-63,923.60

Finding the Fourth Proportional to 80,836.40, 121,254.60 and 63,923.60

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Solution

The fourth proportional to 80,836.40, 121,254.60 and 63,923.60 is: 95,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,836.40 : 121,254.60 = 63,923.60 : x
  2. Step 2: Convert to fraction form
    80,836.40/121,254.60 = 63,923.60/x
  3. Step 3: Cross multiply
    80,836.40x = 121,254.60 × 63,923.60
  4. Step 4: Simplify right side
    80,836.40x = 7,751,030,548.56
  5. Step 5: Solve for x
    x = 7,751,030,548.56/80,836.40
  6. Step 6: Final answer
    x = 95,885.40

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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.