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Finding the Fourth Proportional to 141,305.88, 211,913.54 and 46,514.01

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Solution

The fourth proportional to 141,305.88, 211,913.54 and 46,514.01 is: 69,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,305.88 : 211,913.54 = 46,514.01 : x
  2. Step 2: Convert to fraction form
    141,305.88/211,913.54 = 46,514.01/x
  3. Step 3: Cross multiply
    141,305.88x = 211,913.54 × 46,514.01
  4. Step 4: Simplify right side
    141,305.88x = 9,856,948,518.70
  5. Step 5: Solve for x
    x = 9,856,948,518.70/141,305.88
  6. Step 6: Final answer
    x = 69,756.11

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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.