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Finding the Fourth Proportional to 141,093, 211,639.50 and 42,597

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Solution

The fourth proportional to 141,093, 211,639.50 and 42,597 is: 63,895.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,093 : 211,639.50 = 42,597 : x
  2. Step 2: Convert to fraction form
    141,093/211,639.50 = 42,597/x
  3. Step 3: Cross multiply
    141,093x = 211,639.50 × 42,597
  4. Step 4: Simplify right side
    141,093x = 9,015,207,781.50
  5. Step 5: Solve for x
    x = 9,015,207,781.50/141,093
  6. Step 6: Final answer
    x = 63,895.50

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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.