Home / 123,775.26-170,809.48-67,186.64

Finding the Fourth Proportional to 123,775.26, 170,809.48 and 67,186.64

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Solution

The fourth proportional to 123,775.26, 170,809.48 and 67,186.64 is: 92,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,775.26 : 170,809.48 = 67,186.64 : x
  2. Step 2: Convert to fraction form
    123,775.26/170,809.48 = 67,186.64/x
  3. Step 3: Cross multiply
    123,775.26x = 170,809.48 × 67,186.64
  4. Step 4: Simplify right side
    123,775.26x = 11,476,115,041.35
  5. Step 5: Solve for x
    x = 11,476,115,041.35/123,775.26
  6. Step 6: Final answer
    x = 92,717.36

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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.