Home / 162,120.14-243,328.53-82,213.25

Finding the Fourth Proportional to 162,120.14, 243,328.53 and 82,213.25

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Solution

The fourth proportional to 162,120.14, 243,328.53 and 82,213.25 is: 123,395.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,120.14 : 243,328.53 = 82,213.25 : x
  2. Step 2: Convert to fraction form
    162,120.14/243,328.53 = 82,213.25/x
  3. Step 3: Cross multiply
    162,120.14x = 243,328.53 × 82,213.25
  4. Step 4: Simplify right side
    162,120.14x = 20,004,829,269.02
  5. Step 5: Solve for x
    x = 20,004,829,269.02/162,120.14
  6. Step 6: Final answer
    x = 123,395.09

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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.