Home / 141,067.55-211,240.04-77,817.35

Finding the Fourth Proportional to 141,067.55, 211,240.04 and 77,817.35

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Solution

The fourth proportional to 141,067.55, 211,240.04 and 77,817.35 is: 116,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,067.55 : 211,240.04 = 77,817.35 : x
  2. Step 2: Convert to fraction form
    141,067.55/211,240.04 = 77,817.35/x
  3. Step 3: Cross multiply
    141,067.55x = 211,240.04 × 77,817.35
  4. Step 4: Simplify right side
    141,067.55x = 16,438,140,265.71
  5. Step 5: Solve for x
    x = 16,438,140,265.71/141,067.55
  6. Step 6: Final answer
    x = 116,526.73

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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.