Home / 215,316.66-323,028.36-103,082.16

Finding the Fourth Proportional to 215,316.66, 323,028.36 and 103,082.16

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Solution

The fourth proportional to 215,316.66, 323,028.36 and 103,082.16 is: 154,648.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,316.66 : 323,028.36 = 103,082.16 : x
  2. Step 2: Convert to fraction form
    215,316.66/323,028.36 = 103,082.16/x
  3. Step 3: Cross multiply
    215,316.66x = 323,028.36 × 103,082.16
  4. Step 4: Simplify right side
    215,316.66x = 33,298,461,090.06
  5. Step 5: Solve for x
    x = 33,298,461,090.06/215,316.66
  6. Step 6: Final answer
    x = 154,648.79

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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.