Home / 174,815.20-262,352.40-115,631.20

Finding the Fourth Proportional to 174,815.20, 262,352.40 and 115,631.20

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Solution

The fourth proportional to 174,815.20, 262,352.40 and 115,631.20 is: 173,532.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,815.20 : 262,352.40 = 115,631.20 : x
  2. Step 2: Convert to fraction form
    174,815.20/262,352.40 = 115,631.20/x
  3. Step 3: Cross multiply
    174,815.20x = 262,352.40 × 115,631.20
  4. Step 4: Simplify right side
    174,815.20x = 30,336,122,834.88
  5. Step 5: Solve for x
    x = 30,336,122,834.88/174,815.20
  6. Step 6: Final answer
    x = 173,532.52

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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.