Home / 186,973.50-258,020.20-106,399.36

Finding the Fourth Proportional to 186,973.50, 258,020.20 and 106,399.36

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Solution

The fourth proportional to 186,973.50, 258,020.20 and 106,399.36 is: 146,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,973.50 : 258,020.20 = 106,399.36 : x
  2. Step 2: Convert to fraction form
    186,973.50/258,020.20 = 106,399.36/x
  3. Step 3: Cross multiply
    186,973.50x = 258,020.20 × 106,399.36
  4. Step 4: Simplify right side
    186,973.50x = 27,453,184,147.07
  5. Step 5: Solve for x
    x = 27,453,184,147.07/186,973.50
  6. Step 6: Final answer
    x = 146,829.28

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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.