Home / 108,056.64-162,090-33,173.76

Finding the Fourth Proportional to 108,056.64, 162,090 and 33,173.76

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Solution

The fourth proportional to 108,056.64, 162,090 and 33,173.76 is: 49,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,056.64 : 162,090 = 33,173.76 : x
  2. Step 2: Convert to fraction form
    108,056.64/162,090 = 33,173.76/x
  3. Step 3: Cross multiply
    108,056.64x = 162,090 × 33,173.76
  4. Step 4: Simplify right side
    108,056.64x = 5,377,134,758.40
  5. Step 5: Solve for x
    x = 5,377,134,758.40/108,056.64
  6. Step 6: Final answer
    x = 49,762.19

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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.