Home / 107,382.51-161,002.68-51,231.29

Finding the Fourth Proportional to 107,382.51, 161,002.68 and 51,231.29

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Solution

The fourth proportional to 107,382.51, 161,002.68 and 51,231.29 is: 76,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,382.51 : 161,002.68 = 51,231.29 : x
  2. Step 2: Convert to fraction form
    107,382.51/161,002.68 = 51,231.29/x
  3. Step 3: Cross multiply
    107,382.51x = 161,002.68 × 51,231.29
  4. Step 4: Simplify right side
    107,382.51x = 8,248,374,184.84
  5. Step 5: Solve for x
    x = 8,248,374,184.84/107,382.51
  6. Step 6: Final answer
    x = 76,813.01

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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.