Home / 182,079.66-251,260.47-100,421.34

Finding the Fourth Proportional to 182,079.66, 251,260.47 and 100,421.34

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Solution

The fourth proportional to 182,079.66, 251,260.47 and 100,421.34 is: 138,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,079.66 : 251,260.47 = 100,421.34 : x
  2. Step 2: Convert to fraction form
    182,079.66/251,260.47 = 100,421.34/x
  3. Step 3: Cross multiply
    182,079.66x = 251,260.47 × 100,421.34
  4. Step 4: Simplify right side
    182,079.66x = 25,231,913,086.43
  5. Step 5: Solve for x
    x = 25,231,913,086.43/182,079.66
  6. Step 6: Final answer
    x = 138,576.23

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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.