Home / 155,959.05-232,810.42-137,042.10

Finding the Fourth Proportional to 155,959.05, 232,810.42 and 137,042.10

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Solution

The fourth proportional to 155,959.05, 232,810.42 and 137,042.10 is: 204,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,959.05 : 232,810.42 = 137,042.10 : x
  2. Step 2: Convert to fraction form
    155,959.05/232,810.42 = 137,042.10/x
  3. Step 3: Cross multiply
    155,959.05x = 232,810.42 × 137,042.10
  4. Step 4: Simplify right side
    155,959.05x = 31,904,828,858.68
  5. Step 5: Solve for x
    x = 31,904,828,858.68/155,959.05
  6. Step 6: Final answer
    x = 204,571.83

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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.