Home / 162,584.70-243,772.98-78,176.73

Finding the Fourth Proportional to 162,584.70, 243,772.98 and 78,176.73

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Solution

The fourth proportional to 162,584.70, 243,772.98 and 78,176.73 is: 117,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,584.70 : 243,772.98 = 78,176.73 : x
  2. Step 2: Convert to fraction form
    162,584.70/243,772.98 = 78,176.73/x
  3. Step 3: Cross multiply
    162,584.70x = 243,772.98 × 78,176.73
  4. Step 4: Simplify right side
    162,584.70x = 19,057,374,438.76
  5. Step 5: Solve for x
    x = 19,057,374,438.76/162,584.70
  6. Step 6: Final answer
    x = 117,215.05

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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.