Home / 198,742.96-274,291.77-112,733.07

Finding the Fourth Proportional to 198,742.96, 274,291.77 and 112,733.07

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Solution

The fourth proportional to 198,742.96, 274,291.77 and 112,733.07 is: 155,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,742.96 : 274,291.77 = 112,733.07 : x
  2. Step 2: Convert to fraction form
    198,742.96/274,291.77 = 112,733.07/x
  3. Step 3: Cross multiply
    198,742.96x = 274,291.77 × 112,733.07
  4. Step 4: Simplify right side
    198,742.96x = 30,921,753,307.83
  5. Step 5: Solve for x
    x = 30,921,753,307.83/198,742.96
  6. Step 6: Final answer
    x = 155,586.66

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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.