Home / 174,986.51-262,468.82-90,721.40

Finding the Fourth Proportional to 174,986.51, 262,468.82 and 90,721.40

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Solution

The fourth proportional to 174,986.51, 262,468.82 and 90,721.40 is: 136,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,986.51 : 262,468.82 = 90,721.40 : x
  2. Step 2: Convert to fraction form
    174,986.51/262,468.82 = 90,721.40/x
  3. Step 3: Cross multiply
    174,986.51x = 262,468.82 × 90,721.40
  4. Step 4: Simplify right side
    174,986.51x = 23,811,537,721.21
  5. Step 5: Solve for x
    x = 23,811,537,721.21/174,986.51
  6. Step 6: Final answer
    x = 136,076.42

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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.