Home / 141,463.15-212,288.20-66,604.70

Finding the Fourth Proportional to 141,463.15, 212,288.20 and 66,604.70

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Solution

The fourth proportional to 141,463.15, 212,288.20 and 66,604.70 is: 99,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,463.15 : 212,288.20 = 66,604.70 : x
  2. Step 2: Convert to fraction form
    141,463.15/212,288.20 = 66,604.70/x
  3. Step 3: Cross multiply
    141,463.15x = 212,288.20 × 66,604.70
  4. Step 4: Simplify right side
    141,463.15x = 14,139,391,874.54
  5. Step 5: Solve for x
    x = 14,139,391,874.54/141,463.15
  6. Step 6: Final answer
    x = 99,951.06

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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.