Home / 199,008.32-274,650.88-148,619.84

Finding the Fourth Proportional to 199,008.32, 274,650.88 and 148,619.84

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Solution

The fourth proportional to 199,008.32, 274,650.88 and 148,619.84 is: 205,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,008.32 : 274,650.88 = 148,619.84 : x
  2. Step 2: Convert to fraction form
    199,008.32/274,650.88 = 148,619.84/x
  3. Step 3: Cross multiply
    199,008.32x = 274,650.88 × 148,619.84
  4. Step 4: Simplify right side
    199,008.32x = 40,818,569,841.46
  5. Step 5: Solve for x
    x = 40,818,569,841.46/199,008.32
  6. Step 6: Final answer
    x = 205,109.87

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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.