Home / 204,824.39-307,025.48-78,430.10

Finding the Fourth Proportional to 204,824.39, 307,025.48 and 78,430.10

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Solution

The fourth proportional to 204,824.39, 307,025.48 and 78,430.10 is: 117,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,824.39 : 307,025.48 = 78,430.10 : x
  2. Step 2: Convert to fraction form
    204,824.39/307,025.48 = 78,430.10/x
  3. Step 3: Cross multiply
    204,824.39x = 307,025.48 × 78,430.10
  4. Step 4: Simplify right side
    204,824.39x = 24,080,038,706.80
  5. Step 5: Solve for x
    x = 24,080,038,706.80/204,824.39
  6. Step 6: Final answer
    x = 117,564.31

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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.