Home / 123,338.43-170,206.97-69,623.91

Finding the Fourth Proportional to 123,338.43, 170,206.97 and 69,623.91

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Solution

The fourth proportional to 123,338.43, 170,206.97 and 69,623.91 is: 96,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,338.43 : 170,206.97 = 69,623.91 : x
  2. Step 2: Convert to fraction form
    123,338.43/170,206.97 = 69,623.91/x
  3. Step 3: Cross multiply
    123,338.43x = 170,206.97 × 69,623.91
  4. Step 4: Simplify right side
    123,338.43x = 11,850,474,412.53
  5. Step 5: Solve for x
    x = 11,850,474,412.53/123,338.43
  6. Step 6: Final answer
    x = 96,080.96

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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.