Home / 273,069.09-409,684.29-140,042.55

Finding the Fourth Proportional to 273,069.09, 409,684.29 and 140,042.55

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Solution

The fourth proportional to 273,069.09, 409,684.29 and 140,042.55 is: 210,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,069.09 : 409,684.29 = 140,042.55 : x
  2. Step 2: Convert to fraction form
    273,069.09/409,684.29 = 140,042.55/x
  3. Step 3: Cross multiply
    273,069.09x = 409,684.29 × 140,042.55
  4. Step 4: Simplify right side
    273,069.09x = 57,373,232,666.54
  5. Step 5: Solve for x
    x = 57,373,232,666.54/273,069.09
  6. Step 6: Final answer
    x = 210,105.19

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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.