Home / 263,668.08-363,863.04-142,810.80

Finding the Fourth Proportional to 263,668.08, 363,863.04 and 142,810.80

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Solution

The fourth proportional to 263,668.08, 363,863.04 and 142,810.80 is: 197,079.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,668.08 : 363,863.04 = 142,810.80 : x
  2. Step 2: Convert to fraction form
    263,668.08/363,863.04 = 142,810.80/x
  3. Step 3: Cross multiply
    263,668.08x = 363,863.04 × 142,810.80
  4. Step 4: Simplify right side
    263,668.08x = 51,963,571,832.83
  5. Step 5: Solve for x
    x = 51,963,571,832.83/263,668.08
  6. Step 6: Final answer
    x = 197,079.49

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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.