Home / 141,920.73-212,861.66-82,784.25

Finding the Fourth Proportional to 141,920.73, 212,861.66 and 82,784.25

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Solution

The fourth proportional to 141,920.73, 212,861.66 and 82,784.25 is: 124,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,920.73 : 212,861.66 = 82,784.25 : x
  2. Step 2: Convert to fraction form
    141,920.73/212,861.66 = 82,784.25/x
  3. Step 3: Cross multiply
    141,920.73x = 212,861.66 × 82,784.25
  4. Step 4: Simplify right side
    141,920.73x = 17,621,592,462.93
  5. Step 5: Solve for x
    x = 17,621,592,462.93/141,920.73
  6. Step 6: Final answer
    x = 124,165.04

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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.