Home / 84,090.64-126,133.22-34,155.96

Finding the Fourth Proportional to 84,090.64, 126,133.22 and 34,155.96

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Solution

The fourth proportional to 84,090.64, 126,133.22 and 34,155.96 is: 51,232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,090.64 : 126,133.22 = 34,155.96 : x
  2. Step 2: Convert to fraction form
    84,090.64/126,133.22 = 34,155.96/x
  3. Step 3: Cross multiply
    84,090.64x = 126,133.22 × 34,155.96
  4. Step 4: Simplify right side
    84,090.64x = 4,308,201,302.38
  5. Step 5: Solve for x
    x = 4,308,201,302.38/84,090.64
  6. Step 6: Final answer
    x = 51,232.83

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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.