Home / 114,972.72-172,396.54-40,072.76

Finding the Fourth Proportional to 114,972.72, 172,396.54 and 40,072.76

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Solution

The fourth proportional to 114,972.72, 172,396.54 and 40,072.76 is: 60,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,972.72 : 172,396.54 = 40,072.76 : x
  2. Step 2: Convert to fraction form
    114,972.72/172,396.54 = 40,072.76/x
  3. Step 3: Cross multiply
    114,972.72x = 172,396.54 × 40,072.76
  4. Step 4: Simplify right side
    114,972.72x = 6,908,405,503.06
  5. Step 5: Solve for x
    x = 6,908,405,503.06/114,972.72
  6. Step 6: Final answer
    x = 60,087.35

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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.