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Finding the Fourth Proportional to 162,479.81, 243,630.40 and 50,129.37

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Solution

The fourth proportional to 162,479.81, 243,630.40 and 50,129.37 is: 75,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,479.81 : 243,630.40 = 50,129.37 : x
  2. Step 2: Convert to fraction form
    162,479.81/243,630.40 = 50,129.37/x
  3. Step 3: Cross multiply
    162,479.81x = 243,630.40 × 50,129.37
  4. Step 4: Simplify right side
    162,479.81x = 12,213,038,464.85
  5. Step 5: Solve for x
    x = 12,213,038,464.85/162,479.81
  6. Step 6: Final answer
    x = 75,166.50

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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.