Home / 102,772.38-154,170.42-39,577.80

Finding the Fourth Proportional to 102,772.38, 154,170.42 and 39,577.80

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Solution

The fourth proportional to 102,772.38, 154,170.42 and 39,577.80 is: 59,371.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,772.38 : 154,170.42 = 39,577.80 : x
  2. Step 2: Convert to fraction form
    102,772.38/154,170.42 = 39,577.80/x
  3. Step 3: Cross multiply
    102,772.38x = 154,170.42 × 39,577.80
  4. Step 4: Simplify right side
    102,772.38x = 6,101,726,048.68
  5. Step 5: Solve for x
    x = 6,101,726,048.68/102,772.38
  6. Step 6: Final answer
    x = 59,371.26

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1.5x scale

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.