Home / 108,002.20-161,954.70-41,420.20

Finding the Fourth Proportional to 108,002.20, 161,954.70 and 41,420.20

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Solution

The fourth proportional to 108,002.20, 161,954.70 and 41,420.20 is: 62,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,002.20 : 161,954.70 = 41,420.20 : x
  2. Step 2: Convert to fraction form
    108,002.20/161,954.70 = 41,420.20/x
  3. Step 3: Cross multiply
    108,002.20x = 161,954.70 × 41,420.20
  4. Step 4: Simplify right side
    108,002.20x = 6,708,196,064.94
  5. Step 5: Solve for x
    x = 6,708,196,064.94/108,002.20
  6. Step 6: Final answer
    x = 62,111.66

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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.