Home / 123,215.26-170,036.94-66,626.50

Finding the Fourth Proportional to 123,215.26, 170,036.94 and 66,626.50

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Solution

The fourth proportional to 123,215.26, 170,036.94 and 66,626.50 is: 91,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,215.26 : 170,036.94 = 66,626.50 : x
  2. Step 2: Convert to fraction form
    123,215.26/170,036.94 = 66,626.50/x
  3. Step 3: Cross multiply
    123,215.26x = 170,036.94 × 66,626.50
  4. Step 4: Simplify right side
    123,215.26x = 11,328,966,182.91
  5. Step 5: Solve for x
    x = 11,328,966,182.91/123,215.26
  6. Step 6: Final answer
    x = 91,944.51

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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.