Home / 123,336.87-170,204.88-66,748.23

Finding the Fourth Proportional to 123,336.87, 170,204.88 and 66,748.23

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Solution

The fourth proportional to 123,336.87, 170,204.88 and 66,748.23 is: 92,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,336.87 : 170,204.88 = 66,748.23 : x
  2. Step 2: Convert to fraction form
    123,336.87/170,204.88 = 66,748.23/x
  3. Step 3: Cross multiply
    123,336.87x = 170,204.88 × 66,748.23
  4. Step 4: Simplify right side
    123,336.87x = 11,360,874,477.36
  5. Step 5: Solve for x
    x = 11,360,874,477.36/123,336.87
  6. Step 6: Final answer
    x = 92,112.56

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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.