Home / 143,288.90-214,933.35-99,052.10

Finding the Fourth Proportional to 143,288.90, 214,933.35 and 99,052.10

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Solution

The fourth proportional to 143,288.90, 214,933.35 and 99,052.10 is: 148,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,288.90 : 214,933.35 = 99,052.10 : x
  2. Step 2: Convert to fraction form
    143,288.90/214,933.35 = 99,052.10/x
  3. Step 3: Cross multiply
    143,288.90x = 214,933.35 × 99,052.10
  4. Step 4: Simplify right side
    143,288.90x = 21,289,599,677.54
  5. Step 5: Solve for x
    x = 21,289,599,677.54/143,288.90
  6. Step 6: Final answer
    x = 148,578.15

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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.