Home / 144,212.04-199,011.42-83,818.02

Finding the Fourth Proportional to 144,212.04, 199,011.42 and 83,818.02

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Solution

The fourth proportional to 144,212.04, 199,011.42 and 83,818.02 is: 115,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,212.04 : 199,011.42 = 83,818.02 : x
  2. Step 2: Convert to fraction form
    144,212.04/199,011.42 = 83,818.02/x
  3. Step 3: Cross multiply
    144,212.04x = 199,011.42 × 83,818.02
  4. Step 4: Simplify right side
    144,212.04x = 16,680,743,181.79
  5. Step 5: Solve for x
    x = 16,680,743,181.79/144,212.04
  6. Step 6: Final answer
    x = 115,668.17

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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.