Home / 162,308.57-243,453.74-43,971.21

Finding the Fourth Proportional to 162,308.57, 243,453.74 and 43,971.21

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Solution

The fourth proportional to 162,308.57, 243,453.74 and 43,971.21 is: 65,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,308.57 : 243,453.74 = 43,971.21 : x
  2. Step 2: Convert to fraction form
    162,308.57/243,453.74 = 43,971.21/x
  3. Step 3: Cross multiply
    162,308.57x = 243,453.74 × 43,971.21
  4. Step 4: Simplify right side
    162,308.57x = 10,704,955,306.97
  5. Step 5: Solve for x
    x = 10,704,955,306.97/162,308.57
  6. Step 6: Final answer
    x = 65,954.35

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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.