Home / 123,742.70-170,764.82-70,026.74

Finding the Fourth Proportional to 123,742.70, 170,764.82 and 70,026.74

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Solution

The fourth proportional to 123,742.70, 170,764.82 and 70,026.74 is: 96,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,742.70 : 170,764.82 = 70,026.74 : x
  2. Step 2: Convert to fraction form
    123,742.70/170,764.82 = 70,026.74/x
  3. Step 3: Cross multiply
    123,742.70x = 170,764.82 × 70,026.74
  4. Step 4: Simplify right side
    123,742.70x = 11,958,103,651.29
  5. Step 5: Solve for x
    x = 11,958,103,651.29/123,742.70
  6. Step 6: Final answer
    x = 96,636.84

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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.