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Finding the Fourth Proportional to 134,873.70, 202,310.55 and 46,113.90

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Solution

The fourth proportional to 134,873.70, 202,310.55 and 46,113.90 is: 69,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,873.70 : 202,310.55 = 46,113.90 : x
  2. Step 2: Convert to fraction form
    134,873.70/202,310.55 = 46,113.90/x
  3. Step 3: Cross multiply
    134,873.70x = 202,310.55 × 46,113.90
  4. Step 4: Simplify right side
    134,873.70x = 9,329,328,471.65
  5. Step 5: Solve for x
    x = 9,329,328,471.65/134,873.70
  6. Step 6: Final answer
    x = 69,170.85

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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.