Home / 140,126.45-210,272.75-131,260.40

Finding the Fourth Proportional to 140,126.45, 210,272.75 and 131,260.40

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Solution

The fourth proportional to 140,126.45, 210,272.75 and 131,260.40 is: 196,968.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,126.45 : 210,272.75 = 131,260.40 : x
  2. Step 2: Convert to fraction form
    140,126.45/210,272.75 = 131,260.40/x
  3. Step 3: Cross multiply
    140,126.45x = 210,272.75 × 131,260.40
  4. Step 4: Simplify right side
    140,126.45x = 27,600,484,222.74
  5. Step 5: Solve for x
    x = 27,600,484,222.74/140,126.45
  6. Step 6: Final answer
    x = 196,968.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.