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Finding the Fourth Proportional to 162,299.80, 243,449.70 and 112,533.40

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Solution

The fourth proportional to 162,299.80, 243,449.70 and 112,533.40 is: 168,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,299.80 : 243,449.70 = 112,533.40 : x
  2. Step 2: Convert to fraction form
    162,299.80/243,449.70 = 112,533.40/x
  3. Step 3: Cross multiply
    162,299.80x = 243,449.70 × 112,533.40
  4. Step 4: Simplify right side
    162,299.80x = 27,396,222,469.98
  5. Step 5: Solve for x
    x = 27,396,222,469.98/162,299.80
  6. Step 6: Final answer
    x = 168,800.10

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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.