Home / 162,005.03-243,003.90-73,234.70

Finding the Fourth Proportional to 162,005.03, 243,003.90 and 73,234.70

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Solution

The fourth proportional to 162,005.03, 243,003.90 and 73,234.70 is: 109,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,005.03 : 243,003.90 = 73,234.70 : x
  2. Step 2: Convert to fraction form
    162,005.03/243,003.90 = 73,234.70/x
  3. Step 3: Cross multiply
    162,005.03x = 243,003.90 × 73,234.70
  4. Step 4: Simplify right side
    162,005.03x = 17,796,317,715.33
  5. Step 5: Solve for x
    x = 17,796,317,715.33/162,005.03
  6. Step 6: Final answer
    x = 109,850.40

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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.