Home / 162,621.52-243,924.96-67,812.64

Finding the Fourth Proportional to 162,621.52, 243,924.96 and 67,812.64

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Solution

The fourth proportional to 162,621.52, 243,924.96 and 67,812.64 is: 101,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,621.52 : 243,924.96 = 67,812.64 : x
  2. Step 2: Convert to fraction form
    162,621.52/243,924.96 = 67,812.64/x
  3. Step 3: Cross multiply
    162,621.52x = 243,924.96 × 67,812.64
  4. Step 4: Simplify right side
    162,621.52x = 16,541,195,499.49
  5. Step 5: Solve for x
    x = 16,541,195,499.49/162,621.52
  6. Step 6: Final answer
    x = 101,715.91

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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.