Home / 162,618.01-243,749.07-83,736.97

Finding the Fourth Proportional to 162,618.01, 243,749.07 and 83,736.97

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Solution

The fourth proportional to 162,618.01, 243,749.07 and 83,736.97 is: 125,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,618.01 : 243,749.07 = 83,736.97 : x
  2. Step 2: Convert to fraction form
    162,618.01/243,749.07 = 83,736.97/x
  3. Step 3: Cross multiply
    162,618.01x = 243,749.07 × 83,736.97
  4. Step 4: Simplify right side
    162,618.01x = 20,410,808,562.12
  5. Step 5: Solve for x
    x = 20,410,808,562.12/162,618.01
  6. Step 6: Final answer
    x = 125,513.83

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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.