Home / 108,604.20-162,857.70-42,022.20

Finding the Fourth Proportional to 108,604.20, 162,857.70 and 42,022.20

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Solution

The fourth proportional to 108,604.20, 162,857.70 and 42,022.20 is: 63,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,604.20 : 162,857.70 = 42,022.20 : x
  2. Step 2: Convert to fraction form
    108,604.20/162,857.70 = 42,022.20/x
  3. Step 3: Cross multiply
    108,604.20x = 162,857.70 × 42,022.20
  4. Step 4: Simplify right side
    108,604.20x = 6,843,638,840.94
  5. Step 5: Solve for x
    x = 6,843,638,840.94/108,604.20
  6. Step 6: Final answer
    x = 63,014.50

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1.5x scale

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.