Home / 170,201.80-255,302.70-153,872.20

Finding the Fourth Proportional to 170,201.80, 255,302.70 and 153,872.20

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Solution

The fourth proportional to 170,201.80, 255,302.70 and 153,872.20 is: 230,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,201.80 : 255,302.70 = 153,872.20 : x
  2. Step 2: Convert to fraction form
    170,201.80/255,302.70 = 153,872.20/x
  3. Step 3: Cross multiply
    170,201.80x = 255,302.70 × 153,872.20
  4. Step 4: Simplify right side
    170,201.80x = 39,283,988,114.94
  5. Step 5: Solve for x
    x = 39,283,988,114.94/170,201.80
  6. Step 6: Final answer
    x = 230,808.30

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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.