Home / 163,072.70-244,609.05-78,873.20

Finding the Fourth Proportional to 163,072.70, 244,609.05 and 78,873.20

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Solution

The fourth proportional to 163,072.70, 244,609.05 and 78,873.20 is: 118,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,072.70 : 244,609.05 = 78,873.20 : x
  2. Step 2: Convert to fraction form
    163,072.70/244,609.05 = 78,873.20/x
  3. Step 3: Cross multiply
    163,072.70x = 244,609.05 × 78,873.20
  4. Step 4: Simplify right side
    163,072.70x = 19,293,098,522.46
  5. Step 5: Solve for x
    x = 19,293,098,522.46/163,072.70
  6. Step 6: Final answer
    x = 118,309.80

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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.