Home / 108,504.40-162,780.90-41,938.60

Finding the Fourth Proportional to 108,504.40, 162,780.90 and 41,938.60

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Solution

The fourth proportional to 108,504.40, 162,780.90 and 41,938.60 is: 62,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,504.40 : 162,780.90 = 41,938.60 : x
  2. Step 2: Convert to fraction form
    108,504.40/162,780.90 = 41,938.60/x
  3. Step 3: Cross multiply
    108,504.40x = 162,780.90 × 41,938.60
  4. Step 4: Simplify right side
    108,504.40x = 6,826,803,052.74
  5. Step 5: Solve for x
    x = 6,826,803,052.74/108,504.40
  6. Step 6: Final answer
    x = 62,917.29

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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.