Home / 141,450.40-211,862.12-82,138.96

Finding the Fourth Proportional to 141,450.40, 211,862.12 and 82,138.96

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Solution

The fourth proportional to 141,450.40, 211,862.12 and 82,138.96 is: 123,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,450.40 : 211,862.12 = 82,138.96 : x
  2. Step 2: Convert to fraction form
    141,450.40/211,862.12 = 82,138.96/x
  3. Step 3: Cross multiply
    141,450.40x = 211,862.12 × 82,138.96
  4. Step 4: Simplify right side
    141,450.40x = 17,402,134,200.20
  5. Step 5: Solve for x
    x = 17,402,134,200.20/141,450.40
  6. Step 6: Final answer
    x = 123,026.41

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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.