Home / 141,815.20-212,755.84-47,038.45

Finding the Fourth Proportional to 141,815.20, 212,755.84 and 47,038.45

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Solution

The fourth proportional to 141,815.20, 212,755.84 and 47,038.45 is: 70,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,815.20 : 212,755.84 = 47,038.45 : x
  2. Step 2: Convert to fraction form
    141,815.20/212,755.84 = 47,038.45/x
  3. Step 3: Cross multiply
    141,815.20x = 212,755.84 × 47,038.45
  4. Step 4: Simplify right side
    141,815.20x = 10,007,704,942.05
  5. Step 5: Solve for x
    x = 10,007,704,942.05/141,815.20
  6. Step 6: Final answer
    x = 70,568.63

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1.5x scale

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.