Home / 143,308.20-214,988.28-116,888.37

Finding the Fourth Proportional to 143,308.20, 214,988.28 and 116,888.37

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Solution

The fourth proportional to 143,308.20, 214,988.28 and 116,888.37 is: 175,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,308.20 : 214,988.28 = 116,888.37 : x
  2. Step 2: Convert to fraction form
    143,308.20/214,988.28 = 116,888.37/x
  3. Step 3: Cross multiply
    143,308.20x = 214,988.28 × 116,888.37
  4. Step 4: Simplify right side
    143,308.20x = 25,129,629,618.30
  5. Step 5: Solve for x
    x = 25,129,629,618.30/143,308.20
  6. Step 6: Final answer
    x = 175,353.75

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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.