Home / 108,240.68-162,363.80-51,301.28

Finding the Fourth Proportional to 108,240.68, 162,363.80 and 51,301.28

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Solution

The fourth proportional to 108,240.68, 162,363.80 and 51,301.28 is: 76,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,240.68 : 162,363.80 = 51,301.28 : x
  2. Step 2: Convert to fraction form
    108,240.68/162,363.80 = 51,301.28/x
  3. Step 3: Cross multiply
    108,240.68x = 162,363.80 × 51,301.28
  4. Step 4: Simplify right side
    108,240.68x = 8,329,470,765.66
  5. Step 5: Solve for x
    x = 8,329,470,765.66/108,240.68
  6. Step 6: Final answer
    x = 76,953.24

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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.