Home / 108,421.30-162,522.60-49,299.40

Finding the Fourth Proportional to 108,421.30, 162,522.60 and 49,299.40

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Solution

The fourth proportional to 108,421.30, 162,522.60 and 49,299.40 is: 73,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,421.30 : 162,522.60 = 49,299.40 : x
  2. Step 2: Convert to fraction form
    108,421.30/162,522.60 = 49,299.40/x
  3. Step 3: Cross multiply
    108,421.30x = 162,522.60 × 49,299.40
  4. Step 4: Simplify right side
    108,421.30x = 8,012,266,666.44
  5. Step 5: Solve for x
    x = 8,012,266,666.44/108,421.30
  6. Step 6: Final answer
    x = 73,899.38

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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.