Home / 116,772.36-175,142.66-45,645.50

Finding the Fourth Proportional to 116,772.36, 175,142.66 and 45,645.50

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Solution

The fourth proportional to 116,772.36, 175,142.66 and 45,645.50 is: 68,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,772.36 : 175,142.66 = 45,645.50 : x
  2. Step 2: Convert to fraction form
    116,772.36/175,142.66 = 45,645.50/x
  3. Step 3: Cross multiply
    116,772.36x = 175,142.66 × 45,645.50
  4. Step 4: Simplify right side
    116,772.36x = 7,994,474,287.03
  5. Step 5: Solve for x
    x = 7,994,474,287.03/116,772.36
  6. Step 6: Final answer
    x = 68,462.04

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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.