Home / 154,606.02-231,942.14-47,987.75

Finding the Fourth Proportional to 154,606.02, 231,942.14 and 47,987.75

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Solution

The fourth proportional to 154,606.02, 231,942.14 and 47,987.75 is: 71,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,606.02 : 231,942.14 = 47,987.75 : x
  2. Step 2: Convert to fraction form
    154,606.02/231,942.14 = 47,987.75/x
  3. Step 3: Cross multiply
    154,606.02x = 231,942.14 × 47,987.75
  4. Step 4: Simplify right side
    154,606.02x = 11,130,380,029.14
  5. Step 5: Solve for x
    x = 11,130,380,029.14/154,606.02
  6. Step 6: Final answer
    x = 71,991.89

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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.