Home / 102,728.60-154,089.66-60,895.34

Finding the Fourth Proportional to 102,728.60, 154,089.66 and 60,895.34

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Solution

The fourth proportional to 102,728.60, 154,089.66 and 60,895.34 is: 91,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,728.60 : 154,089.66 = 60,895.34 : x
  2. Step 2: Convert to fraction form
    102,728.60/154,089.66 = 60,895.34/x
  3. Step 3: Cross multiply
    102,728.60x = 154,089.66 × 60,895.34
  4. Step 4: Simplify right side
    102,728.60x = 9,383,342,236.18
  5. Step 5: Solve for x
    x = 9,383,342,236.18/102,728.60
  6. Step 6: Final answer
    x = 91,341.09

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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.