Home / 141,983.30-212,794.02-75,455.30

Finding the Fourth Proportional to 141,983.30, 212,794.02 and 75,455.30

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Solution

The fourth proportional to 141,983.30, 212,794.02 and 75,455.30 is: 113,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,983.30 : 212,794.02 = 75,455.30 : x
  2. Step 2: Convert to fraction form
    141,983.30/212,794.02 = 75,455.30/x
  3. Step 3: Cross multiply
    141,983.30x = 212,794.02 × 75,455.30
  4. Step 4: Simplify right side
    141,983.30x = 16,056,436,617.31
  5. Step 5: Solve for x
    x = 16,056,436,617.31/141,983.30
  6. Step 6: Final answer
    x = 113,086.80

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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.