Home / 227,135.36-340,381.73-125,978.24

Finding the Fourth Proportional to 227,135.36, 340,381.73 and 125,978.24

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Solution

The fourth proportional to 227,135.36, 340,381.73 and 125,978.24 is: 188,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,135.36 : 340,381.73 = 125,978.24 : x
  2. Step 2: Convert to fraction form
    227,135.36/340,381.73 = 125,978.24/x
  3. Step 3: Cross multiply
    227,135.36x = 340,381.73 × 125,978.24
  4. Step 4: Simplify right side
    227,135.36x = 42,880,688,941.76
  5. Step 5: Solve for x
    x = 42,880,688,941.76/227,135.36
  6. Step 6: Final answer
    x = 188,789.14

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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.