Home / 154,114.12-231,181.26-47,485

Finding the Fourth Proportional to 154,114.12, 231,181.26 and 47,485

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Solution

The fourth proportional to 154,114.12, 231,181.26 and 47,485 is: 71,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,114.12 : 231,181.26 = 47,485 : x
  2. Step 2: Convert to fraction form
    154,114.12/231,181.26 = 47,485/x
  3. Step 3: Cross multiply
    154,114.12x = 231,181.26 × 47,485
  4. Step 4: Simplify right side
    154,114.12x = 10,977,642,131.10
  5. Step 5: Solve for x
    x = 10,977,642,131.10/154,114.12
  6. Step 6: Final answer
    x = 71,230.61

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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.