Home / 79,438.23-119,157.25-20,273.91

Finding the Fourth Proportional to 79,438.23, 119,157.25 and 20,273.91

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Solution

The fourth proportional to 79,438.23, 119,157.25 and 20,273.91 is: 30,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,438.23 : 119,157.25 = 20,273.91 : x
  2. Step 2: Convert to fraction form
    79,438.23/119,157.25 = 20,273.91/x
  3. Step 3: Cross multiply
    79,438.23x = 119,157.25 × 20,273.91
  4. Step 4: Simplify right side
    79,438.23x = 2,415,783,362.35
  5. Step 5: Solve for x
    x = 2,415,783,362.35/79,438.23
  6. Step 6: Final answer
    x = 30,410.84

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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.