Home / 204,369.21-306,605.67-64,129.05

Finding the Fourth Proportional to 204,369.21, 306,605.67 and 64,129.05

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Solution

The fourth proportional to 204,369.21, 306,605.67 and 64,129.05 is: 96,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,369.21 : 306,605.67 = 64,129.05 : x
  2. Step 2: Convert to fraction form
    204,369.21/306,605.67 = 64,129.05/x
  3. Step 3: Cross multiply
    204,369.21x = 306,605.67 × 64,129.05
  4. Step 4: Simplify right side
    204,369.21x = 19,662,330,341.71
  5. Step 5: Solve for x
    x = 19,662,330,341.71/204,369.21
  6. Step 6: Final answer
    x = 96,209.85

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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.