Home / 188,072.10-259,471.38-123,576.06

Finding the Fourth Proportional to 188,072.10, 259,471.38 and 123,576.06

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Solution

The fourth proportional to 188,072.10, 259,471.38 and 123,576.06 is: 170,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,072.10 : 259,471.38 = 123,576.06 : x
  2. Step 2: Convert to fraction form
    188,072.10/259,471.38 = 123,576.06/x
  3. Step 3: Cross multiply
    188,072.10x = 259,471.38 × 123,576.06
  4. Step 4: Simplify right side
    188,072.10x = 32,064,450,823.16
  5. Step 5: Solve for x
    x = 32,064,450,823.16/188,072.10
  6. Step 6: Final answer
    x = 170,490.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.