Home / 141,847.92-212,506.20-127,242

Finding the Fourth Proportional to 141,847.92, 212,506.20 and 127,242

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Solution

The fourth proportional to 141,847.92, 212,506.20 and 127,242 is: 190,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,847.92 : 212,506.20 = 127,242 : x
  2. Step 2: Convert to fraction form
    141,847.92/212,506.20 = 127,242/x
  3. Step 3: Cross multiply
    141,847.92x = 212,506.20 × 127,242
  4. Step 4: Simplify right side
    141,847.92x = 27,039,713,900.40
  5. Step 5: Solve for x
    x = 27,039,713,900.40/141,847.92
  6. Step 6: Final answer
    x = 190,624.68

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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.