Home / 123,433.53-170,367.06-87,634.77

Finding the Fourth Proportional to 123,433.53, 170,367.06 and 87,634.77

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Solution

The fourth proportional to 123,433.53, 170,367.06 and 87,634.77 is: 120,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,433.53 : 170,367.06 = 87,634.77 : x
  2. Step 2: Convert to fraction form
    123,433.53/170,367.06 = 87,634.77/x
  3. Step 3: Cross multiply
    123,433.53x = 170,367.06 × 87,634.77
  4. Step 4: Simplify right side
    123,433.53x = 14,930,078,118.68
  5. Step 5: Solve for x
    x = 14,930,078,118.68/123,433.53
  6. Step 6: Final answer
    x = 120,956.42

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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.