Home / 133,945.68-200,918.50-104,385.64

Finding the Fourth Proportional to 133,945.68, 200,918.50 and 104,385.64

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Solution

The fourth proportional to 133,945.68, 200,918.50 and 104,385.64 is: 156,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,945.68 : 200,918.50 = 104,385.64 : x
  2. Step 2: Convert to fraction form
    133,945.68/200,918.50 = 104,385.64/x
  3. Step 3: Cross multiply
    133,945.68x = 200,918.50 × 104,385.64
  4. Step 4: Simplify right side
    133,945.68x = 20,973,006,210.34
  5. Step 5: Solve for x
    x = 20,973,006,210.34/133,945.68
  6. Step 6: Final answer
    x = 156,578.44

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1.5x scale

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.