Home / 112,412.80-168,622.08-53,234.56

Finding the Fourth Proportional to 112,412.80, 168,622.08 and 53,234.56

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Solution

The fourth proportional to 112,412.80, 168,622.08 and 53,234.56 is: 79,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,412.80 : 168,622.08 = 53,234.56 : x
  2. Step 2: Convert to fraction form
    112,412.80/168,622.08 = 53,234.56/x
  3. Step 3: Cross multiply
    112,412.80x = 168,622.08 × 53,234.56
  4. Step 4: Simplify right side
    112,412.80x = 8,976,522,235.08
  5. Step 5: Solve for x
    x = 8,976,522,235.08/112,412.80
  6. Step 6: Final answer
    x = 79,853.20

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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.