Home / 112,692.75-155,520.86-62,391.75

Finding the Fourth Proportional to 112,692.75, 155,520.86 and 62,391.75

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Solution

The fourth proportional to 112,692.75, 155,520.86 and 62,391.75 is: 86,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,692.75 : 155,520.86 = 62,391.75 : x
  2. Step 2: Convert to fraction form
    112,692.75/155,520.86 = 62,391.75/x
  3. Step 3: Cross multiply
    112,692.75x = 155,520.86 × 62,391.75
  4. Step 4: Simplify right side
    112,692.75x = 9,703,218,616.91
  5. Step 5: Solve for x
    x = 9,703,218,616.91/112,692.75
  6. Step 6: Final answer
    x = 86,103.31

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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.