Home / 141,769.24-212,466.72-66,786.72

Finding the Fourth Proportional to 141,769.24, 212,466.72 and 66,786.72

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Solution

The fourth proportional to 141,769.24, 212,466.72 and 66,786.72 is: 100,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,769.24 : 212,466.72 = 66,786.72 : x
  2. Step 2: Convert to fraction form
    141,769.24/212,466.72 = 66,786.72/x
  3. Step 3: Cross multiply
    141,769.24x = 212,466.72 × 66,786.72
  4. Step 4: Simplify right side
    141,769.24x = 14,189,955,337.96
  5. Step 5: Solve for x
    x = 14,189,955,337.96/141,769.24
  6. Step 6: Final answer
    x = 100,091.92

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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.