Home / 198,897.49-298,347.04-80,571.07

Finding the Fourth Proportional to 198,897.49, 298,347.04 and 80,571.07

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Solution

The fourth proportional to 198,897.49, 298,347.04 and 80,571.07 is: 120,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,897.49 : 298,347.04 = 80,571.07 : x
  2. Step 2: Convert to fraction form
    198,897.49/298,347.04 = 80,571.07/x
  3. Step 3: Cross multiply
    198,897.49x = 298,347.04 × 80,571.07
  4. Step 4: Simplify right side
    198,897.49x = 24,038,138,752.40
  5. Step 5: Solve for x
    x = 24,038,138,752.40/198,897.49
  6. Step 6: Final answer
    x = 120,856.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.