Home / 80,308.26-120,647.07-56,670.23

Finding the Fourth Proportional to 80,308.26, 120,647.07 and 56,670.23

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Solution

The fourth proportional to 80,308.26, 120,647.07 and 56,670.23 is: 85,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,308.26 : 120,647.07 = 56,670.23 : x
  2. Step 2: Convert to fraction form
    80,308.26/120,647.07 = 56,670.23/x
  3. Step 3: Cross multiply
    80,308.26x = 120,647.07 × 56,670.23
  4. Step 4: Simplify right side
    80,308.26x = 6,837,097,507.34
  5. Step 5: Solve for x
    x = 6,837,097,507.34/80,308.26
  6. Step 6: Final answer
    x = 85,135.67

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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.