Home / 151,906.77-209,624.96-87,371.14

Finding the Fourth Proportional to 151,906.77, 209,624.96 and 87,371.14

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Solution

The fourth proportional to 151,906.77, 209,624.96 and 87,371.14 is: 120,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,906.77 : 209,624.96 = 87,371.14 : x
  2. Step 2: Convert to fraction form
    151,906.77/209,624.96 = 87,371.14/x
  3. Step 3: Cross multiply
    151,906.77x = 209,624.96 × 87,371.14
  4. Step 4: Simplify right side
    151,906.77x = 18,315,170,985.16
  5. Step 5: Solve for x
    x = 18,315,170,985.16/151,906.77
  6. Step 6: Final answer
    x = 120,568.50

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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.