Home / 123,544.22-170,492.04-66,955.59

Finding the Fourth Proportional to 123,544.22, 170,492.04 and 66,955.59

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Solution

The fourth proportional to 123,544.22, 170,492.04 and 66,955.59 is: 92,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,544.22 : 170,492.04 = 66,955.59 : x
  2. Step 2: Convert to fraction form
    123,544.22/170,492.04 = 66,955.59/x
  3. Step 3: Cross multiply
    123,544.22x = 170,492.04 × 66,955.59
  4. Step 4: Simplify right side
    123,544.22x = 11,415,395,128.50
  5. Step 5: Solve for x
    x = 11,415,395,128.50/123,544.22
  6. Step 6: Final answer
    x = 92,399.27

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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.