Home / 162,310.03-243,491.20-49,990.21

Finding the Fourth Proportional to 162,310.03, 243,491.20 and 49,990.21

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Solution

The fourth proportional to 162,310.03, 243,491.20 and 49,990.21 is: 74,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,310.03 : 243,491.20 = 49,990.21 : x
  2. Step 2: Convert to fraction form
    162,310.03/243,491.20 = 49,990.21/x
  3. Step 3: Cross multiply
    162,310.03x = 243,491.20 × 49,990.21
  4. Step 4: Simplify right side
    162,310.03x = 12,172,176,221.15
  5. Step 5: Solve for x
    x = 12,172,176,221.15/162,310.03
  6. Step 6: Final answer
    x = 74,993.37

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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.