Home / 105,430.77-158,198.13-49,274.73

Finding the Fourth Proportional to 105,430.77, 158,198.13 and 49,274.73

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Solution

The fourth proportional to 105,430.77, 158,198.13 and 49,274.73 is: 73,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,430.77 : 158,198.13 = 49,274.73 : x
  2. Step 2: Convert to fraction form
    105,430.77/158,198.13 = 49,274.73/x
  3. Step 3: Cross multiply
    105,430.77x = 158,198.13 × 49,274.73
  4. Step 4: Simplify right side
    105,430.77x = 7,795,170,142.25
  5. Step 5: Solve for x
    x = 7,795,170,142.25/105,430.77
  6. Step 6: Final answer
    x = 73,936.39

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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.