Home / 229,090.62-316,080.39-148,521.66

Finding the Fourth Proportional to 229,090.62, 316,080.39 and 148,521.66

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Solution

The fourth proportional to 229,090.62, 316,080.39 and 148,521.66 is: 204,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,090.62 : 316,080.39 = 148,521.66 : x
  2. Step 2: Convert to fraction form
    229,090.62/316,080.39 = 148,521.66/x
  3. Step 3: Cross multiply
    229,090.62x = 316,080.39 × 148,521.66
  4. Step 4: Simplify right side
    229,090.62x = 46,944,784,216.25
  5. Step 5: Solve for x
    x = 46,944,784,216.25/229,090.62
  6. Step 6: Final answer
    x = 204,917.97

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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.