Home / 162,379.39-243,402.99-82,268.91

Finding the Fourth Proportional to 162,379.39, 243,402.99 and 82,268.91

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Solution

The fourth proportional to 162,379.39, 243,402.99 and 82,268.91 is: 123,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,379.39 : 243,402.99 = 82,268.91 : x
  2. Step 2: Convert to fraction form
    162,379.39/243,402.99 = 82,268.91/x
  3. Step 3: Cross multiply
    162,379.39x = 243,402.99 × 82,268.91
  4. Step 4: Simplify right side
    162,379.39x = 20,024,498,678.04
  5. Step 5: Solve for x
    x = 20,024,498,678.04/162,379.39
  6. Step 6: Final answer
    x = 123,319.21

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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.