Home / 81,189.42-121,796.28-25,024.86

Finding the Fourth Proportional to 81,189.42, 121,796.28 and 25,024.86

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Solution

The fourth proportional to 81,189.42, 121,796.28 and 25,024.86 is: 37,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,189.42 : 121,796.28 = 25,024.86 : x
  2. Step 2: Convert to fraction form
    81,189.42/121,796.28 = 25,024.86/x
  3. Step 3: Cross multiply
    81,189.42x = 121,796.28 × 25,024.86
  4. Step 4: Simplify right side
    81,189.42x = 3,047,934,855.52
  5. Step 5: Solve for x
    x = 3,047,934,855.52/81,189.42
  6. Step 6: Final answer
    x = 37,541.03

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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.