Home / 108,013.54-161,803.24-53,814.86

Finding the Fourth Proportional to 108,013.54, 161,803.24 and 53,814.86

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Solution

The fourth proportional to 108,013.54, 161,803.24 and 53,814.86 is: 80,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,013.54 : 161,803.24 = 53,814.86 : x
  2. Step 2: Convert to fraction form
    108,013.54/161,803.24 = 53,814.86/x
  3. Step 3: Cross multiply
    108,013.54x = 161,803.24 × 53,814.86
  4. Step 4: Simplify right side
    108,013.54x = 8,707,418,708.15
  5. Step 5: Solve for x
    x = 8,707,418,708.15/108,013.54
  6. Step 6: Final answer
    x = 80,614.14

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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.