Home / 123,837.68-170,884.16-70,112.22

Finding the Fourth Proportional to 123,837.68, 170,884.16 and 70,112.22

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Solution

The fourth proportional to 123,837.68, 170,884.16 and 70,112.22 is: 96,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,837.68 : 170,884.16 = 70,112.22 : x
  2. Step 2: Convert to fraction form
    123,837.68/170,884.16 = 70,112.22/x
  3. Step 3: Cross multiply
    123,837.68x = 170,884.16 × 70,112.22
  4. Step 4: Simplify right side
    123,837.68x = 11,981,067,820.44
  5. Step 5: Solve for x
    x = 11,981,067,820.44/123,837.68
  6. Step 6: Final answer
    x = 96,748.16

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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.