Home / 112,441.20-168,467.40-53,149.20

Finding the Fourth Proportional to 112,441.20, 168,467.40 and 53,149.20

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Solution

The fourth proportional to 112,441.20, 168,467.40 and 53,149.20 is: 79,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,441.20 : 168,467.40 = 53,149.20 : x
  2. Step 2: Convert to fraction form
    112,441.20/168,467.40 = 53,149.20/x
  3. Step 3: Cross multiply
    112,441.20x = 168,467.40 × 53,149.20
  4. Step 4: Simplify right side
    112,441.20x = 8,953,907,536.08
  5. Step 5: Solve for x
    x = 8,953,907,536.08/112,441.20
  6. Step 6: Final answer
    x = 79,631.91

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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.