Home / 108,304.28-162,536.24-51,378.36

Finding the Fourth Proportional to 108,304.28, 162,536.24 and 51,378.36

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Solution

The fourth proportional to 108,304.28, 162,536.24 and 51,378.36 is: 77,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,304.28 : 162,536.24 = 51,378.36 : x
  2. Step 2: Convert to fraction form
    108,304.28/162,536.24 = 51,378.36/x
  3. Step 3: Cross multiply
    108,304.28x = 162,536.24 × 51,378.36
  4. Step 4: Simplify right side
    108,304.28x = 8,350,845,580.21
  5. Step 5: Solve for x
    x = 8,350,845,580.21/108,304.28
  6. Step 6: Final answer
    x = 77,105.41

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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.