Home / 108,428.40-162,562.26-51,474.12

Finding the Fourth Proportional to 108,428.40, 162,562.26 and 51,474.12

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Solution

The fourth proportional to 108,428.40, 162,562.26 and 51,474.12 is: 77,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,428.40 : 162,562.26 = 51,474.12 : x
  2. Step 2: Convert to fraction form
    108,428.40/162,562.26 = 51,474.12/x
  3. Step 3: Cross multiply
    108,428.40x = 162,562.26 × 51,474.12
  4. Step 4: Simplify right side
    108,428.40x = 8,367,749,278.71
  5. Step 5: Solve for x
    x = 8,367,749,278.71/108,428.40
  6. Step 6: Final answer
    x = 77,173.04

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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.