Home / 175,439.20-262,942.80-119,279.20

Finding the Fourth Proportional to 175,439.20, 262,942.80 and 119,279.20

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Solution

The fourth proportional to 175,439.20, 262,942.80 and 119,279.20 is: 178,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,439.20 : 262,942.80 = 119,279.20 : x
  2. Step 2: Convert to fraction form
    175,439.20/262,942.80 = 119,279.20/x
  3. Step 3: Cross multiply
    175,439.20x = 262,942.80 × 119,279.20
  4. Step 4: Simplify right side
    175,439.20x = 31,363,606,829.76
  5. Step 5: Solve for x
    x = 31,363,606,829.76/175,439.20
  6. Step 6: Final answer
    x = 178,771.94

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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.