Home / 108,039.30-161,852.40-58,102.80

Finding the Fourth Proportional to 108,039.30, 161,852.40 and 58,102.80

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Solution

The fourth proportional to 108,039.30, 161,852.40 and 58,102.80 is: 87,043.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,039.30 : 161,852.40 = 58,102.80 : x
  2. Step 2: Convert to fraction form
    108,039.30/161,852.40 = 58,102.80/x
  3. Step 3: Cross multiply
    108,039.30x = 161,852.40 × 58,102.80
  4. Step 4: Simplify right side
    108,039.30x = 9,404,077,626.72
  5. Step 5: Solve for x
    x = 9,404,077,626.72/108,039.30
  6. Step 6: Final answer
    x = 87,043.12

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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.