Home / 262,130.20-393,195.30-119,975.20

Finding the Fourth Proportional to 262,130.20, 393,195.30 and 119,975.20

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Solution

The fourth proportional to 262,130.20, 393,195.30 and 119,975.20 is: 179,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,130.20 : 393,195.30 = 119,975.20 : x
  2. Step 2: Convert to fraction form
    262,130.20/393,195.30 = 119,975.20/x
  3. Step 3: Cross multiply
    262,130.20x = 393,195.30 × 119,975.20
  4. Step 4: Simplify right side
    262,130.20x = 47,173,684,756.56
  5. Step 5: Solve for x
    x = 47,173,684,756.56/262,130.20
  6. Step 6: Final answer
    x = 179,962.80

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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.