Home / 108,305.38-162,322.59-52,130.46

Finding the Fourth Proportional to 108,305.38, 162,322.59 and 52,130.46

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Solution

The fourth proportional to 108,305.38, 162,322.59 and 52,130.46 is: 78,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,305.38 : 162,322.59 = 52,130.46 : x
  2. Step 2: Convert to fraction form
    108,305.38/162,322.59 = 52,130.46/x
  3. Step 3: Cross multiply
    108,305.38x = 162,322.59 × 52,130.46
  4. Step 4: Simplify right side
    108,305.38x = 8,461,951,285.09
  5. Step 5: Solve for x
    x = 8,461,951,285.09/108,305.38
  6. Step 6: Final answer
    x = 78,130.48

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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.