Home / 123,743.70-170,766.20-70,027.74

Finding the Fourth Proportional to 123,743.70, 170,766.20 and 70,027.74

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Solution

The fourth proportional to 123,743.70, 170,766.20 and 70,027.74 is: 96,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,743.70 : 170,766.20 = 70,027.74 : x
  2. Step 2: Convert to fraction form
    123,743.70/170,766.20 = 70,027.74/x
  3. Step 3: Cross multiply
    123,743.70x = 170,766.20 × 70,027.74
  4. Step 4: Simplify right side
    123,743.70x = 11,958,371,054.39
  5. Step 5: Solve for x
    x = 11,958,371,054.39/123,743.70
  6. Step 6: Final answer
    x = 96,638.22

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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.