Home / 76,312.44-114,469.86-20,158.29

Finding the Fourth Proportional to 76,312.44, 114,469.86 and 20,158.29

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Solution

The fourth proportional to 76,312.44, 114,469.86 and 20,158.29 is: 30,237.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,312.44 : 114,469.86 = 20,158.29 : x
  2. Step 2: Convert to fraction form
    76,312.44/114,469.86 = 20,158.29/x
  3. Step 3: Cross multiply
    76,312.44x = 114,469.86 × 20,158.29
  4. Step 4: Simplify right side
    76,312.44x = 2,307,516,634.14
  5. Step 5: Solve for x
    x = 2,307,516,634.14/76,312.44
  6. Step 6: Final answer
    x = 30,237.75

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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.