Home / 199,000.28-274,639.76-148,611.80

Finding the Fourth Proportional to 199,000.28, 274,639.76 and 148,611.80

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Solution

The fourth proportional to 199,000.28, 274,639.76 and 148,611.80 is: 205,098.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,000.28 : 274,639.76 = 148,611.80 : x
  2. Step 2: Convert to fraction form
    199,000.28/274,639.76 = 148,611.80/x
  3. Step 3: Cross multiply
    199,000.28x = 274,639.76 × 148,611.80
  4. Step 4: Simplify right side
    199,000.28x = 40,814,709,085.17
  5. Step 5: Solve for x
    x = 40,814,709,085.17/199,000.28
  6. Step 6: Final answer
    x = 205,098.75

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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.