Home / 107,539.45-161,187.47-54,146.58

Finding the Fourth Proportional to 107,539.45, 161,187.47 and 54,146.58

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Solution

The fourth proportional to 107,539.45, 161,187.47 and 54,146.58 is: 81,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,539.45 : 161,187.47 = 54,146.58 : x
  2. Step 2: Convert to fraction form
    107,539.45/161,187.47 = 54,146.58/x
  3. Step 3: Cross multiply
    107,539.45x = 161,187.47 × 54,146.58
  4. Step 4: Simplify right side
    107,539.45x = 8,727,749,567.22
  5. Step 5: Solve for x
    x = 8,727,749,567.22/107,539.45
  6. Step 6: Final answer
    x = 81,158.59

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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.