Home / 198,887.95-298,239.44-72,440.17

Finding the Fourth Proportional to 198,887.95, 298,239.44 and 72,440.17

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Solution

The fourth proportional to 198,887.95, 298,239.44 and 72,440.17 is: 108,626.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,887.95 : 298,239.44 = 72,440.17 : x
  2. Step 2: Convert to fraction form
    198,887.95/298,239.44 = 72,440.17/x
  3. Step 3: Cross multiply
    198,887.95x = 298,239.44 × 72,440.17
  4. Step 4: Simplify right side
    198,887.95x = 21,604,513,880.91
  5. Step 5: Solve for x
    x = 21,604,513,880.91/198,887.95
  6. Step 6: Final answer
    x = 108,626.56

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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.