Home / 105,528.60-158,268.06-30,628.98

Finding the Fourth Proportional to 105,528.60, 158,268.06 and 30,628.98

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Solution

The fourth proportional to 105,528.60, 158,268.06 and 30,628.98 is: 45,936.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,528.60 : 158,268.06 = 30,628.98 : x
  2. Step 2: Convert to fraction form
    105,528.60/158,268.06 = 30,628.98/x
  3. Step 3: Cross multiply
    105,528.60x = 158,268.06 × 30,628.98
  4. Step 4: Simplify right side
    105,528.60x = 4,847,589,244.38
  5. Step 5: Solve for x
    x = 4,847,589,244.38/105,528.60
  6. Step 6: Final answer
    x = 45,936.26

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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.