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Finding the Fourth Proportional to 141,164.98, 211,702.86 and 46,379.60

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Solution

The fourth proportional to 141,164.98, 211,702.86 and 46,379.60 is: 69,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,164.98 : 211,702.86 = 46,379.60 : x
  2. Step 2: Convert to fraction form
    141,164.98/211,702.86 = 46,379.60/x
  3. Step 3: Cross multiply
    141,164.98x = 211,702.86 × 46,379.60
  4. Step 4: Simplify right side
    141,164.98x = 9,818,693,965.66
  5. Step 5: Solve for x
    x = 9,818,693,965.66/141,164.98
  6. Step 6: Final answer
    x = 69,554.74

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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.