Home / 141,769.98-212,647.90-53,016.96

Finding the Fourth Proportional to 141,769.98, 212,647.90 and 53,016.96

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Solution

The fourth proportional to 141,769.98, 212,647.90 and 53,016.96 is: 79,522.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,769.98 : 212,647.90 = 53,016.96 : x
  2. Step 2: Convert to fraction form
    141,769.98/212,647.90 = 53,016.96/x
  3. Step 3: Cross multiply
    141,769.98x = 212,647.90 × 53,016.96
  4. Step 4: Simplify right side
    141,769.98x = 11,273,943,880.06
  5. Step 5: Solve for x
    x = 11,273,943,880.06/141,769.98
  6. Step 6: Final answer
    x = 79,522.79

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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.