Home / 214,112.80-295,478.04-118,621

Finding the Fourth Proportional to 214,112.80, 295,478.04 and 118,621

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Solution

The fourth proportional to 214,112.80, 295,478.04 and 118,621 is: 163,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,112.80 : 295,478.04 = 118,621 : x
  2. Step 2: Convert to fraction form
    214,112.80/295,478.04 = 118,621/x
  3. Step 3: Cross multiply
    214,112.80x = 295,478.04 × 118,621
  4. Step 4: Simplify right side
    214,112.80x = 35,049,900,582.84
  5. Step 5: Solve for x
    x = 35,049,900,582.84/214,112.80
  6. Step 6: Final answer
    x = 163,698.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.