Home / 134,034.57-184,982.47-76,679.21

Finding the Fourth Proportional to 134,034.57, 184,982.47 and 76,679.21

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Solution

The fourth proportional to 134,034.57, 184,982.47 and 76,679.21 is: 105,825.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,034.57 : 184,982.47 = 76,679.21 : x
  2. Step 2: Convert to fraction form
    134,034.57/184,982.47 = 76,679.21/x
  3. Step 3: Cross multiply
    134,034.57x = 184,982.47 × 76,679.21
  4. Step 4: Simplify right side
    134,034.57x = 14,184,309,934.21
  5. Step 5: Solve for x
    x = 14,184,309,934.21/134,034.57
  6. Step 6: Final answer
    x = 105,825.76

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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.