Home / 163,382.05-225,522.39-103,053.25

Finding the Fourth Proportional to 163,382.05, 225,522.39 and 103,053.25

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Solution

The fourth proportional to 163,382.05, 225,522.39 and 103,053.25 is: 142,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,382.05 : 225,522.39 = 103,053.25 : x
  2. Step 2: Convert to fraction form
    163,382.05/225,522.39 = 103,053.25/x
  3. Step 3: Cross multiply
    163,382.05x = 225,522.39 × 103,053.25
  4. Step 4: Simplify right side
    163,382.05x = 23,240,815,237.27
  5. Step 5: Solve for x
    x = 23,240,815,237.27/163,382.05
  6. Step 6: Final answer
    x = 142,248.28

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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.