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Finding the Fourth Proportional to 141,124, 211,686 and 63,300

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Solution

The fourth proportional to 141,124, 211,686 and 63,300 is: 94,950

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,124 : 211,686 = 63,300 : x
  2. Step 2: Convert to fraction form
    141,124/211,686 = 63,300/x
  3. Step 3: Cross multiply
    141,124x = 211,686 × 63,300
  4. Step 4: Simplify right side
    141,124x = 13,399,723,800
  5. Step 5: Solve for x
    x = 13,399,723,800/141,124
  6. Step 6: Final answer
    x = 94,950

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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.