Home / 143,022.60-214,533.90-109,909.80

Finding the Fourth Proportional to 143,022.60, 214,533.90 and 109,909.80

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Solution

The fourth proportional to 143,022.60, 214,533.90 and 109,909.80 is: 164,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,022.60 : 214,533.90 = 109,909.80 : x
  2. Step 2: Convert to fraction form
    143,022.60/214,533.90 = 109,909.80/x
  3. Step 3: Cross multiply
    143,022.60x = 214,533.90 × 109,909.80
  4. Step 4: Simplify right side
    143,022.60x = 23,579,378,042.22
  5. Step 5: Solve for x
    x = 23,579,378,042.22/143,022.60
  6. Step 6: Final answer
    x = 164,864.70

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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.