Home / 439,968.80-659,953.20-107,544.80

Finding the Fourth Proportional to 439,968.80, 659,953.20 and 107,544.80

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Solution

The fourth proportional to 439,968.80, 659,953.20 and 107,544.80 is: 161,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,968.80 : 659,953.20 = 107,544.80 : x
  2. Step 2: Convert to fraction form
    439,968.80/659,953.20 = 107,544.80/x
  3. Step 3: Cross multiply
    439,968.80x = 659,953.20 × 107,544.80
  4. Step 4: Simplify right side
    439,968.80x = 70,974,534,903.36
  5. Step 5: Solve for x
    x = 70,974,534,903.36/439,968.80
  6. Step 6: Final answer
    x = 161,317.20

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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.