Home / 175,623.36-242,344.84-103,991.28

Finding the Fourth Proportional to 175,623.36, 242,344.84 and 103,991.28

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Solution

The fourth proportional to 175,623.36, 242,344.84 and 103,991.28 is: 143,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,623.36 : 242,344.84 = 103,991.28 : x
  2. Step 2: Convert to fraction form
    175,623.36/242,344.84 = 103,991.28/x
  3. Step 3: Cross multiply
    175,623.36x = 242,344.84 × 103,991.28
  4. Step 4: Simplify right side
    175,623.36x = 25,201,750,113.00
  5. Step 5: Solve for x
    x = 25,201,750,113.00/175,623.36
  6. Step 6: Final answer
    x = 143,498.85

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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.