Home / 183,724.80-253,521.36-103,161.21

Finding the Fourth Proportional to 183,724.80, 253,521.36 and 103,161.21

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Solution

The fourth proportional to 183,724.80, 253,521.36 and 103,161.21 is: 142,351.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,724.80 : 253,521.36 = 103,161.21 : x
  2. Step 2: Convert to fraction form
    183,724.80/253,521.36 = 103,161.21/x
  3. Step 3: Cross multiply
    183,724.80x = 253,521.36 × 103,161.21
  4. Step 4: Simplify right side
    183,724.80x = 26,153,570,258.45
  5. Step 5: Solve for x
    x = 26,153,570,258.45/183,724.80
  6. Step 6: Final answer
    x = 142,351.88

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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.