Home / 108,421.25-162,646.99-49,271.81

Finding the Fourth Proportional to 108,421.25, 162,646.99 and 49,271.81

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Solution

The fourth proportional to 108,421.25, 162,646.99 and 49,271.81 is: 73,914.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,421.25 : 162,646.99 = 49,271.81 : x
  2. Step 2: Convert to fraction form
    108,421.25/162,646.99 = 49,271.81/x
  3. Step 3: Cross multiply
    108,421.25x = 162,646.99 × 49,271.81
  4. Step 4: Simplify right side
    108,421.25x = 8,013,910,651.94
  5. Step 5: Solve for x
    x = 8,013,910,651.94/108,421.25
  6. Step 6: Final answer
    x = 73,914.58

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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.