Home / 183,289.56-274,688.10-78,080.28

Finding the Fourth Proportional to 183,289.56, 274,688.10 and 78,080.28

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Solution

The fourth proportional to 183,289.56, 274,688.10 and 78,080.28 is: 117,015.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,289.56 : 274,688.10 = 78,080.28 : x
  2. Step 2: Convert to fraction form
    183,289.56/274,688.10 = 78,080.28/x
  3. Step 3: Cross multiply
    183,289.56x = 274,688.10 × 78,080.28
  4. Step 4: Simplify right side
    183,289.56x = 21,447,723,760.67
  5. Step 5: Solve for x
    x = 21,447,723,760.67/183,289.56
  6. Step 6: Final answer
    x = 117,015.52

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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.