Home / 102,723.60-154,082.16-60,890.34

Finding the Fourth Proportional to 102,723.60, 154,082.16 and 60,890.34

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Solution

The fourth proportional to 102,723.60, 154,082.16 and 60,890.34 is: 91,333.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,723.60 : 154,082.16 = 60,890.34 : x
  2. Step 2: Convert to fraction form
    102,723.60/154,082.16 = 60,890.34/x
  3. Step 3: Cross multiply
    102,723.60x = 154,082.16 × 60,890.34
  4. Step 4: Simplify right side
    102,723.60x = 9,382,115,110.33
  5. Step 5: Solve for x
    x = 9,382,115,110.33/102,723.60
  6. Step 6: Final answer
    x = 91,333.59

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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.