Home / 213,407.10-320,126.85-63,635.67

Finding the Fourth Proportional to 213,407.10, 320,126.85 and 63,635.67

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Solution

The fourth proportional to 213,407.10, 320,126.85 and 63,635.67 is: 95,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,407.10 : 320,126.85 = 63,635.67 : x
  2. Step 2: Convert to fraction form
    213,407.10/320,126.85 = 63,635.67/x
  3. Step 3: Cross multiply
    213,407.10x = 320,126.85 × 63,635.67
  4. Step 4: Simplify right side
    213,407.10x = 20,371,486,584.74
  5. Step 5: Solve for x
    x = 20,371,486,584.74/213,407.10
  6. Step 6: Final answer
    x = 95,458.34

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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.