Home / 103,042.75-154,573.58-31,965.94

Finding the Fourth Proportional to 103,042.75, 154,573.58 and 31,965.94

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Solution

The fourth proportional to 103,042.75, 154,573.58 and 31,965.94 is: 47,951.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,042.75 : 154,573.58 = 31,965.94 : x
  2. Step 2: Convert to fraction form
    103,042.75/154,573.58 = 31,965.94/x
  3. Step 3: Cross multiply
    103,042.75x = 154,573.58 × 31,965.94
  4. Step 4: Simplify right side
    103,042.75x = 4,941,089,011.00
  5. Step 5: Solve for x
    x = 4,941,089,011.00/103,042.75
  6. Step 6: Final answer
    x = 47,951.84

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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.