Home / 170,040.87-254,839.77-105,972.71

Finding the Fourth Proportional to 170,040.87, 254,839.77 and 105,972.71

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Solution

The fourth proportional to 170,040.87, 254,839.77 and 105,972.71 is: 158,820.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,040.87 : 254,839.77 = 105,972.71 : x
  2. Step 2: Convert to fraction form
    170,040.87/254,839.77 = 105,972.71/x
  3. Step 3: Cross multiply
    170,040.87x = 254,839.77 × 105,972.71
  4. Step 4: Simplify right side
    170,040.87x = 27,006,059,768.48
  5. Step 5: Solve for x
    x = 27,006,059,768.48/170,040.87
  6. Step 6: Final answer
    x = 158,820.99

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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.