Home / 162,085.38-243,213.72-115,004.74

Finding the Fourth Proportional to 162,085.38, 243,213.72 and 115,004.74

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Solution

The fourth proportional to 162,085.38, 243,213.72 and 115,004.74 is: 172,567.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,085.38 : 243,213.72 = 115,004.74 : x
  2. Step 2: Convert to fraction form
    162,085.38/243,213.72 = 115,004.74/x
  3. Step 3: Cross multiply
    162,085.38x = 243,213.72 × 115,004.74
  4. Step 4: Simplify right side
    162,085.38x = 27,970,730,633.03
  5. Step 5: Solve for x
    x = 27,970,730,633.03/162,085.38
  6. Step 6: Final answer
    x = 172,567.88

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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.