Home / 251,738.94-347,401.18-137,017.31

Finding the Fourth Proportional to 251,738.94, 347,401.18 and 137,017.31

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Solution

The fourth proportional to 251,738.94, 347,401.18 and 137,017.31 is: 189,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,738.94 : 347,401.18 = 137,017.31 : x
  2. Step 2: Convert to fraction form
    251,738.94/347,401.18 = 137,017.31/x
  3. Step 3: Cross multiply
    251,738.94x = 347,401.18 × 137,017.31
  4. Step 4: Simplify right side
    251,738.94x = 47,599,973,963.38
  5. Step 5: Solve for x
    x = 47,599,973,963.38/251,738.94
  6. Step 6: Final answer
    x = 189,084.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.