Home / 198,674.51-274,165.02-112,641.44

Finding the Fourth Proportional to 198,674.51, 274,165.02 and 112,641.44

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Solution

The fourth proportional to 198,674.51, 274,165.02 and 112,641.44 is: 155,441.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,674.51 : 274,165.02 = 112,641.44 : x
  2. Step 2: Convert to fraction form
    198,674.51/274,165.02 = 112,641.44/x
  3. Step 3: Cross multiply
    198,674.51x = 274,165.02 × 112,641.44
  4. Step 4: Simplify right side
    198,674.51x = 30,882,341,279.60
  5. Step 5: Solve for x
    x = 30,882,341,279.60/198,674.51
  6. Step 6: Final answer
    x = 155,441.89

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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.