Home / 123,825.82-170,885.37-70,103.74

Finding the Fourth Proportional to 123,825.82, 170,885.37 and 70,103.74

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Solution

The fourth proportional to 123,825.82, 170,885.37 and 70,103.74 is: 96,746.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,825.82 : 170,885.37 = 70,103.74 : x
  2. Step 2: Convert to fraction form
    123,825.82/170,885.37 = 70,103.74/x
  3. Step 3: Cross multiply
    123,825.82x = 170,885.37 × 70,103.74
  4. Step 4: Simplify right side
    123,825.82x = 11,979,703,548.28
  5. Step 5: Solve for x
    x = 11,979,703,548.28/123,825.82
  6. Step 6: Final answer
    x = 96,746.41

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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.