Home / 215,465.56-323,090.16-125,537.38

Finding the Fourth Proportional to 215,465.56, 323,090.16 and 125,537.38

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Solution

The fourth proportional to 215,465.56, 323,090.16 and 125,537.38 is: 188,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,465.56 : 323,090.16 = 125,537.38 : x
  2. Step 2: Convert to fraction form
    215,465.56/323,090.16 = 125,537.38/x
  3. Step 3: Cross multiply
    215,465.56x = 323,090.16 × 125,537.38
  4. Step 4: Simplify right side
    215,465.56x = 40,559,892,190.18
  5. Step 5: Solve for x
    x = 40,559,892,190.18/215,465.56
  6. Step 6: Final answer
    x = 188,243.04

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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.