Home / 141,806.75-195,692.47-77,275.85

Finding the Fourth Proportional to 141,806.75, 195,692.47 and 77,275.85

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Solution

The fourth proportional to 141,806.75, 195,692.47 and 77,275.85 is: 106,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,806.75 : 195,692.47 = 77,275.85 : x
  2. Step 2: Convert to fraction form
    141,806.75/195,692.47 = 77,275.85/x
  3. Step 3: Cross multiply
    141,806.75x = 195,692.47 × 77,275.85
  4. Step 4: Simplify right side
    141,806.75x = 15,122,301,957.85
  5. Step 5: Solve for x
    x = 15,122,301,957.85/141,806.75
  6. Step 6: Final answer
    x = 106,640.21

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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.