Home / 195,430.56-269,622.36-118,918.56

Finding the Fourth Proportional to 195,430.56, 269,622.36 and 118,918.56

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Solution

The fourth proportional to 195,430.56, 269,622.36 and 118,918.56 is: 164,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,430.56 : 269,622.36 = 118,918.56 : x
  2. Step 2: Convert to fraction form
    195,430.56/269,622.36 = 118,918.56/x
  3. Step 3: Cross multiply
    195,430.56x = 269,622.36 × 118,918.56
  4. Step 4: Simplify right side
    195,430.56x = 32,063,102,795.00
  5. Step 5: Solve for x
    x = 32,063,102,795.00/195,430.56
  6. Step 6: Final answer
    x = 164,063.92

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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.