Home / 198,810.63-274,363.38-112,775.41

Finding the Fourth Proportional to 198,810.63, 274,363.38 and 112,775.41

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Solution

The fourth proportional to 198,810.63, 274,363.38 and 112,775.41 is: 155,632.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,810.63 : 274,363.38 = 112,775.41 : x
  2. Step 2: Convert to fraction form
    198,810.63/274,363.38 = 112,775.41/x
  3. Step 3: Cross multiply
    198,810.63x = 274,363.38 × 112,775.41
  4. Step 4: Simplify right side
    198,810.63x = 30,941,443,465.91
  5. Step 5: Solve for x
    x = 30,941,443,465.91/198,810.63
  6. Step 6: Final answer
    x = 155,632.74

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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.