Home / 107,687.40-161,881.02-107,162.52

Finding the Fourth Proportional to 107,687.40, 161,881.02 and 107,162.52

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Solution

The fourth proportional to 107,687.40, 161,881.02 and 107,162.52 is: 161,091.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,687.40 : 161,881.02 = 107,162.52 : x
  2. Step 2: Convert to fraction form
    107,687.40/161,881.02 = 107,162.52/x
  3. Step 3: Cross multiply
    107,687.40x = 161,881.02 × 107,162.52
  4. Step 4: Simplify right side
    107,687.40x = 17,347,578,043.37
  5. Step 5: Solve for x
    x = 17,347,578,043.37/107,687.40
  6. Step 6: Final answer
    x = 161,091.99

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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.