Home / 148,811.70-205,247.61-103,466.97

Finding the Fourth Proportional to 148,811.70, 205,247.61 and 103,466.97

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Solution

The fourth proportional to 148,811.70, 205,247.61 and 103,466.97 is: 142,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,811.70 : 205,247.61 = 103,466.97 : x
  2. Step 2: Convert to fraction form
    148,811.70/205,247.61 = 103,466.97/x
  3. Step 3: Cross multiply
    148,811.70x = 205,247.61 × 103,466.97
  4. Step 4: Simplify right side
    148,811.70x = 21,236,348,306.44
  5. Step 5: Solve for x
    x = 21,236,348,306.44/148,811.70
  6. Step 6: Final answer
    x = 142,706.17

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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.