Home / 140,396.80-193,742.96-88,741.60

Finding the Fourth Proportional to 140,396.80, 193,742.96 and 88,741.60

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Solution

The fourth proportional to 140,396.80, 193,742.96 and 88,741.60 is: 122,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,396.80 : 193,742.96 = 88,741.60 : x
  2. Step 2: Convert to fraction form
    140,396.80/193,742.96 = 88,741.60/x
  3. Step 3: Cross multiply
    140,396.80x = 193,742.96 × 88,741.60
  4. Step 4: Simplify right side
    140,396.80x = 17,193,060,259.14
  5. Step 5: Solve for x
    x = 17,193,060,259.14/140,396.80
  6. Step 6: Final answer
    x = 122,460.49

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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.