Home / 155,939.58-232,781.18-137,022.50

Finding the Fourth Proportional to 155,939.58, 232,781.18 and 137,022.50

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Solution

The fourth proportional to 155,939.58, 232,781.18 and 137,022.50 is: 204,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,939.58 : 232,781.18 = 137,022.50 : x
  2. Step 2: Convert to fraction form
    155,939.58/232,781.18 = 137,022.50/x
  3. Step 3: Cross multiply
    155,939.58x = 232,781.18 × 137,022.50
  4. Step 4: Simplify right side
    155,939.58x = 31,896,259,133.39
  5. Step 5: Solve for x
    x = 31,896,259,133.39/155,939.58
  6. Step 6: Final answer
    x = 204,542.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.