Home / 170,152.20-254,969.10-143,713.80

Finding the Fourth Proportional to 170,152.20, 254,969.10 and 143,713.80

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Solution

The fourth proportional to 170,152.20, 254,969.10 and 143,713.80 is: 215,351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,152.20 : 254,969.10 = 143,713.80 : x
  2. Step 2: Convert to fraction form
    170,152.20/254,969.10 = 143,713.80/x
  3. Step 3: Cross multiply
    170,152.20x = 254,969.10 × 143,713.80
  4. Step 4: Simplify right side
    170,152.20x = 36,642,578,243.58
  5. Step 5: Solve for x
    x = 36,642,578,243.58/170,152.20
  6. Step 6: Final answer
    x = 215,351.77

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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.