Home / 162,446.70-243,439.04-76,966.44

Finding the Fourth Proportional to 162,446.70, 243,439.04 and 76,966.44

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Solution

The fourth proportional to 162,446.70, 243,439.04 and 76,966.44 is: 115,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,446.70 : 243,439.04 = 76,966.44 : x
  2. Step 2: Convert to fraction form
    162,446.70/243,439.04 = 76,966.44/x
  3. Step 3: Cross multiply
    162,446.70x = 243,439.04 × 76,966.44
  4. Step 4: Simplify right side
    162,446.70x = 18,736,636,265.82
  5. Step 5: Solve for x
    x = 18,736,636,265.82/162,446.70
  6. Step 6: Final answer
    x = 115,340.21

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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.