Home / 143,022.40-214,533.60-136,461.40

Finding the Fourth Proportional to 143,022.40, 214,533.60 and 136,461.40

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Solution

The fourth proportional to 143,022.40, 214,533.60 and 136,461.40 is: 204,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,022.40 : 214,533.60 = 136,461.40 : x
  2. Step 2: Convert to fraction form
    143,022.40/214,533.60 = 136,461.40/x
  3. Step 3: Cross multiply
    143,022.40x = 214,533.60 × 136,461.40
  4. Step 4: Simplify right side
    143,022.40x = 29,275,555,403.04
  5. Step 5: Solve for x
    x = 29,275,555,403.04/143,022.40
  6. Step 6: Final answer
    x = 204,692.10

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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.