Home / 141,014.40-211,709.33-81,892.50

Finding the Fourth Proportional to 141,014.40, 211,709.33 and 81,892.50

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Solution

The fourth proportional to 141,014.40, 211,709.33 and 81,892.50 is: 122,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,014.40 : 211,709.33 = 81,892.50 : x
  2. Step 2: Convert to fraction form
    141,014.40/211,709.33 = 81,892.50/x
  3. Step 3: Cross multiply
    141,014.40x = 211,709.33 × 81,892.50
  4. Step 4: Simplify right side
    141,014.40x = 17,337,405,897.56
  5. Step 5: Solve for x
    x = 17,337,405,897.56/141,014.40
  6. Step 6: Final answer
    x = 122,947.77

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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.