Home / 123,449.06-170,359.71-66,860.44

Finding the Fourth Proportional to 123,449.06, 170,359.71 and 66,860.44

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Solution

The fourth proportional to 123,449.06, 170,359.71 and 66,860.44 is: 92,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,449.06 : 170,359.71 = 66,860.44 : x
  2. Step 2: Convert to fraction form
    123,449.06/170,359.71 = 66,860.44/x
  3. Step 3: Cross multiply
    123,449.06x = 170,359.71 × 66,860.44
  4. Step 4: Simplify right side
    123,449.06x = 11,390,324,492.25
  5. Step 5: Solve for x
    x = 11,390,324,492.25/123,449.06
  6. Step 6: Final answer
    x = 92,267.40

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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.