Home / 174,668.02-261,815.15-90,343.28

Finding the Fourth Proportional to 174,668.02, 261,815.15 and 90,343.28

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Solution

The fourth proportional to 174,668.02, 261,815.15 and 90,343.28 is: 135,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,668.02 : 261,815.15 = 90,343.28 : x
  2. Step 2: Convert to fraction form
    174,668.02/261,815.15 = 90,343.28/x
  3. Step 3: Cross multiply
    174,668.02x = 261,815.15 × 90,343.28
  4. Step 4: Simplify right side
    174,668.02x = 23,653,240,285.09
  5. Step 5: Solve for x
    x = 23,653,240,285.09/174,668.02
  6. Step 6: Final answer
    x = 135,418.27

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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.