Home / 170,828.80-256,243.20-168,204.40

Finding the Fourth Proportional to 170,828.80, 256,243.20 and 168,204.40

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Solution

The fourth proportional to 170,828.80, 256,243.20 and 168,204.40 is: 252,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,828.80 : 256,243.20 = 168,204.40 : x
  2. Step 2: Convert to fraction form
    170,828.80/256,243.20 = 168,204.40/x
  3. Step 3: Cross multiply
    170,828.80x = 256,243.20 × 168,204.40
  4. Step 4: Simplify right side
    170,828.80x = 43,101,233,710.08
  5. Step 5: Solve for x
    x = 43,101,233,710.08/170,828.80
  6. Step 6: Final answer
    x = 252,306.60

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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.