Home / 162,578.22-243,945.09-57,446.70

Finding the Fourth Proportional to 162,578.22, 243,945.09 and 57,446.70

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Solution

The fourth proportional to 162,578.22, 243,945.09 and 57,446.70 is: 86,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,578.22 : 243,945.09 = 57,446.70 : x
  2. Step 2: Convert to fraction form
    162,578.22/243,945.09 = 57,446.70/x
  3. Step 3: Cross multiply
    162,578.22x = 243,945.09 × 57,446.70
  4. Step 4: Simplify right side
    162,578.22x = 14,013,840,401.70
  5. Step 5: Solve for x
    x = 14,013,840,401.70/162,578.22
  6. Step 6: Final answer
    x = 86,197.53

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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.