Home / 123,330.96-170,196.70-66,742.33

Finding the Fourth Proportional to 123,330.96, 170,196.70 and 66,742.33

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Solution

The fourth proportional to 123,330.96, 170,196.70 and 66,742.33 is: 92,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,330.96 : 170,196.70 = 66,742.33 : x
  2. Step 2: Convert to fraction form
    123,330.96/170,196.70 = 66,742.33/x
  3. Step 3: Cross multiply
    123,330.96x = 170,196.70 × 66,742.33
  4. Step 4: Simplify right side
    123,330.96x = 11,359,324,316.31
  5. Step 5: Solve for x
    x = 11,359,324,316.31/123,330.96
  6. Step 6: Final answer
    x = 92,104.40

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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.