Home / 143,986.44-216,052.54-97,140.90

Finding the Fourth Proportional to 143,986.44, 216,052.54 and 97,140.90

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Solution

The fourth proportional to 143,986.44, 216,052.54 and 97,140.90 is: 145,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,986.44 : 216,052.54 = 97,140.90 : x
  2. Step 2: Convert to fraction form
    143,986.44/216,052.54 = 97,140.90/x
  3. Step 3: Cross multiply
    143,986.44x = 216,052.54 × 97,140.90
  4. Step 4: Simplify right side
    143,986.44x = 20,987,538,182.89
  5. Step 5: Solve for x
    x = 20,987,538,182.89/143,986.44
  6. Step 6: Final answer
    x = 145,760.52

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Why These Related Problems?

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