Home / 112,446.90-168,698.04-79,231.84

Finding the Fourth Proportional to 112,446.90, 168,698.04 and 79,231.84

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Solution

The fourth proportional to 112,446.90, 168,698.04 and 79,231.84 is: 118,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,446.90 : 168,698.04 = 79,231.84 : x
  2. Step 2: Convert to fraction form
    112,446.90/168,698.04 = 79,231.84/x
  3. Step 3: Cross multiply
    112,446.90x = 168,698.04 × 79,231.84
  4. Step 4: Simplify right side
    112,446.90x = 13,366,256,113.59
  5. Step 5: Solve for x
    x = 13,366,256,113.59/112,446.90
  6. Step 6: Final answer
    x = 118,867.27

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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.