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Finding the Fourth Proportional to 162,410.91, 243,616.36 and 79,233.63

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Solution

The fourth proportional to 162,410.91, 243,616.36 and 79,233.63 is: 118,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,410.91 : 243,616.36 = 79,233.63 : x
  2. Step 2: Convert to fraction form
    162,410.91/243,616.36 = 79,233.63/x
  3. Step 3: Cross multiply
    162,410.91x = 243,616.36 × 79,233.63
  4. Step 4: Simplify right side
    162,410.91x = 19,302,608,530.19
  5. Step 5: Solve for x
    x = 19,302,608,530.19/162,410.91
  6. Step 6: Final answer
    x = 118,850.44

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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.