Home / 144,000.10-198,794.85-105,194.35

Finding the Fourth Proportional to 144,000.10, 198,794.85 and 105,194.35

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Solution

The fourth proportional to 144,000.10, 198,794.85 and 105,194.35 is: 145,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,000.10 : 198,794.85 = 105,194.35 : x
  2. Step 2: Convert to fraction form
    144,000.10/198,794.85 = 105,194.35/x
  3. Step 3: Cross multiply
    144,000.10x = 198,794.85 × 105,194.35
  4. Step 4: Simplify right side
    144,000.10x = 20,912,095,029.10
  5. Step 5: Solve for x
    x = 20,912,095,029.10/144,000.10
  6. Step 6: Final answer
    x = 145,222.78

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1.5x scale

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.