Home / 123,197.60-170,012.93-66,608.98

Finding the Fourth Proportional to 123,197.60, 170,012.93 and 66,608.98

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Solution

The fourth proportional to 123,197.60, 170,012.93 and 66,608.98 is: 91,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,197.60 : 170,012.93 = 66,608.98 : x
  2. Step 2: Convert to fraction form
    123,197.60/170,012.93 = 66,608.98/x
  3. Step 3: Cross multiply
    123,197.60x = 170,012.93 × 66,608.98
  4. Step 4: Simplify right side
    123,197.60x = 11,324,387,595.60
  5. Step 5: Solve for x
    x = 11,324,387,595.60/123,197.60
  6. Step 6: Final answer
    x = 91,920.52

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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.