Home / 141,043.88-211,600.82-69,999.86

Finding the Fourth Proportional to 141,043.88, 211,600.82 and 69,999.86

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Solution

The fourth proportional to 141,043.88, 211,600.82 and 69,999.86 is: 105,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,043.88 : 211,600.82 = 69,999.86 : x
  2. Step 2: Convert to fraction form
    141,043.88/211,600.82 = 69,999.86/x
  3. Step 3: Cross multiply
    141,043.88x = 211,600.82 × 69,999.86
  4. Step 4: Simplify right side
    141,043.88x = 14,812,027,775.89
  5. Step 5: Solve for x
    x = 14,812,027,775.89/141,043.88
  6. Step 6: Final answer
    x = 105,017.16

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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.