Home / 199,543.63-275,376-108,905.41

Finding the Fourth Proportional to 199,543.63, 275,376 and 108,905.41

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Solution

The fourth proportional to 199,543.63, 275,376 and 108,905.41 is: 150,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,543.63 : 275,376 = 108,905.41 : x
  2. Step 2: Convert to fraction form
    199,543.63/275,376 = 108,905.41/x
  3. Step 3: Cross multiply
    199,543.63x = 275,376 × 108,905.41
  4. Step 4: Simplify right side
    199,543.63x = 29,989,936,184.16
  5. Step 5: Solve for x
    x = 29,989,936,184.16/199,543.63
  6. Step 6: Final answer
    x = 150,292.63

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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.