Home / 123,835.68-170,881.41-70,110.21

Finding the Fourth Proportional to 123,835.68, 170,881.41 and 70,110.21

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Solution

The fourth proportional to 123,835.68, 170,881.41 and 70,110.21 is: 96,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,835.68 : 170,881.41 = 70,110.21 : x
  2. Step 2: Convert to fraction form
    123,835.68/170,881.41 = 70,110.21/x
  3. Step 3: Cross multiply
    123,835.68x = 170,881.41 × 70,110.21
  4. Step 4: Simplify right side
    123,835.68x = 11,980,531,540.20
  5. Step 5: Solve for x
    x = 11,980,531,540.20/123,835.68
  6. Step 6: Final answer
    x = 96,745.39

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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.