Home / 186,729.90-257,662.94-106,155.69

Finding the Fourth Proportional to 186,729.90, 257,662.94 and 106,155.69

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Solution

The fourth proportional to 186,729.90, 257,662.94 and 106,155.69 is: 146,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,729.90 : 257,662.94 = 106,155.69 : x
  2. Step 2: Convert to fraction form
    186,729.90/257,662.94 = 106,155.69/x
  3. Step 3: Cross multiply
    186,729.90x = 257,662.94 × 106,155.69
  4. Step 4: Simplify right side
    186,729.90x = 27,352,386,652.35
  5. Step 5: Solve for x
    x = 27,352,386,652.35/186,729.90
  6. Step 6: Final answer
    x = 146,481.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.