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Finding the Fourth Proportional to 162,378.47, 243,604.60 and 73,657.35

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Solution

The fourth proportional to 162,378.47, 243,604.60 and 73,657.35 is: 110,502.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,378.47 : 243,604.60 = 73,657.35 : x
  2. Step 2: Convert to fraction form
    162,378.47/243,604.60 = 73,657.35/x
  3. Step 3: Cross multiply
    162,378.47x = 243,604.60 × 73,657.35
  4. Step 4: Simplify right side
    162,378.47x = 17,943,269,099.67
  5. Step 5: Solve for x
    x = 17,943,269,099.67/162,378.47
  6. Step 6: Final answer
    x = 110,502.76

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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.