Home / 161,523.72-242,058.78-137,708.10

Finding the Fourth Proportional to 161,523.72, 242,058.78 and 137,708.10

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Solution

The fourth proportional to 161,523.72, 242,058.78 and 137,708.10 is: 206,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,523.72 : 242,058.78 = 137,708.10 : x
  2. Step 2: Convert to fraction form
    161,523.72/242,058.78 = 137,708.10/x
  3. Step 3: Cross multiply
    161,523.72x = 242,058.78 × 137,708.10
  4. Step 4: Simplify right side
    161,523.72x = 33,333,454,682.12
  5. Step 5: Solve for x
    x = 33,333,454,682.12/161,523.72
  6. Step 6: Final answer
    x = 206,368.79

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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.