Home / 144,585.36-199,517.04-84,156.48

Finding the Fourth Proportional to 144,585.36, 199,517.04 and 84,156.48

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Solution

The fourth proportional to 144,585.36, 199,517.04 and 84,156.48 is: 116,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,585.36 : 199,517.04 = 84,156.48 : x
  2. Step 2: Convert to fraction form
    144,585.36/199,517.04 = 84,156.48/x
  3. Step 3: Cross multiply
    144,585.36x = 199,517.04 × 84,156.48
  4. Step 4: Simplify right side
    144,585.36x = 16,790,651,786.42
  5. Step 5: Solve for x
    x = 16,790,651,786.42/144,585.36
  6. Step 6: Final answer
    x = 116,129.68

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1.5x scale

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.