Home / 76,241.64-114,338.22-71,266.32

Finding the Fourth Proportional to 76,241.64, 114,338.22 and 71,266.32

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Solution

The fourth proportional to 76,241.64, 114,338.22 and 71,266.32 is: 106,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,241.64 : 114,338.22 = 71,266.32 : x
  2. Step 2: Convert to fraction form
    76,241.64/114,338.22 = 71,266.32/x
  3. Step 3: Cross multiply
    76,241.64x = 114,338.22 × 71,266.32
  4. Step 4: Simplify right side
    76,241.64x = 8,148,464,174.75
  5. Step 5: Solve for x
    x = 8,148,464,174.75/76,241.64
  6. Step 6: Final answer
    x = 106,876.82

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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.