Home / 123,995.75-171,115.35-67,408.34

Finding the Fourth Proportional to 123,995.75, 171,115.35 and 67,408.34

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Solution

The fourth proportional to 123,995.75, 171,115.35 and 67,408.34 is: 93,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,995.75 : 171,115.35 = 67,408.34 : x
  2. Step 2: Convert to fraction form
    123,995.75/171,115.35 = 67,408.34/x
  3. Step 3: Cross multiply
    123,995.75x = 171,115.35 × 67,408.34
  4. Step 4: Simplify right side
    123,995.75x = 11,534,601,692.02
  5. Step 5: Solve for x
    x = 11,534,601,692.02/123,995.75
  6. Step 6: Final answer
    x = 93,024.17

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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.