Home / 146,813.32-202,619.38-137,805.64

Finding the Fourth Proportional to 146,813.32, 202,619.38 and 137,805.64

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Solution

The fourth proportional to 146,813.32, 202,619.38 and 137,805.64 is: 190,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,813.32 : 202,619.38 = 137,805.64 : x
  2. Step 2: Convert to fraction form
    146,813.32/202,619.38 = 137,805.64/x
  3. Step 3: Cross multiply
    146,813.32x = 202,619.38 × 137,805.64
  4. Step 4: Simplify right side
    146,813.32x = 27,922,093,337.30
  5. Step 5: Solve for x
    x = 27,922,093,337.30/146,813.32
  6. Step 6: Final answer
    x = 190,187.74

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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.