Home / 87,184.56-120,370.68-53,670

Finding the Fourth Proportional to 87,184.56, 120,370.68 and 53,670

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Solution

The fourth proportional to 87,184.56, 120,370.68 and 53,670 is: 74,099.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,184.56 : 120,370.68 = 53,670 : x
  2. Step 2: Convert to fraction form
    87,184.56/120,370.68 = 53,670/x
  3. Step 3: Cross multiply
    87,184.56x = 120,370.68 × 53,670
  4. Step 4: Simplify right side
    87,184.56x = 6,460,294,395.60
  5. Step 5: Solve for x
    x = 6,460,294,395.60/87,184.56
  6. Step 6: Final answer
    x = 74,099.07

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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.