Home / 199,811.22-275,730.93-109,165.74

Finding the Fourth Proportional to 199,811.22, 275,730.93 and 109,165.74

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Solution

The fourth proportional to 199,811.22, 275,730.93 and 109,165.74 is: 150,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,811.22 : 275,730.93 = 109,165.74 : x
  2. Step 2: Convert to fraction form
    199,811.22/275,730.93 = 109,165.74/x
  3. Step 3: Cross multiply
    199,811.22x = 275,730.93 × 109,165.74
  4. Step 4: Simplify right side
    199,811.22x = 30,100,371,014.34
  5. Step 5: Solve for x
    x = 30,100,371,014.34/199,811.22
  6. Step 6: Final answer
    x = 150,644.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.