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Finding the Fourth Proportional to 144,625.80, 194,622.75 and 144,625.80

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Solution

The fourth proportional to 144,625.80, 194,622.75 and 144,625.80 is: 194,622.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,625.80 : 194,622.75 = 144,625.80 : x
  2. Step 2: Convert to fraction form
    144,625.80/194,622.75 = 144,625.80/x
  3. Step 3: Cross multiply
    144,625.80x = 194,622.75 × 144,625.80
  4. Step 4: Simplify right side
    144,625.80x = 28,147,470,916.95
  5. Step 5: Solve for x
    x = 28,147,470,916.95/144,625.80
  6. Step 6: Final answer
    x = 194,622.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.