Home / 200,145.79-300,222.33-67,001.23

Finding the Fourth Proportional to 200,145.79, 300,222.33 and 67,001.23

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Solution

The fourth proportional to 200,145.79, 300,222.33 and 67,001.23 is: 100,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,145.79 : 300,222.33 = 67,001.23 : x
  2. Step 2: Convert to fraction form
    200,145.79/300,222.33 = 67,001.23/x
  3. Step 3: Cross multiply
    200,145.79x = 300,222.33 × 67,001.23
  4. Step 4: Simplify right side
    200,145.79x = 20,115,265,383.47
  5. Step 5: Solve for x
    x = 20,115,265,383.47/200,145.79
  6. Step 6: Final answer
    x = 100,503.07

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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.