Home / 439,632.80-659,436.84-140,131.34

Finding the Fourth Proportional to 439,632.80, 659,436.84 and 140,131.34

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Solution

The fourth proportional to 439,632.80, 659,436.84 and 140,131.34 is: 210,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,632.80 : 659,436.84 = 140,131.34 : x
  2. Step 2: Convert to fraction form
    439,632.80/659,436.84 = 140,131.34/x
  3. Step 3: Cross multiply
    439,632.80x = 659,436.84 × 140,131.34
  4. Step 4: Simplify right side
    439,632.80x = 92,407,768,034.57
  5. Step 5: Solve for x
    x = 92,407,768,034.57/439,632.80
  6. Step 6: Final answer
    x = 210,193.07

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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.