Home / 133,276.30-199,949.07-39,782.02

Finding the Fourth Proportional to 133,276.30, 199,949.07 and 39,782.02

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Solution

The fourth proportional to 133,276.30, 199,949.07 and 39,782.02 is: 59,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,276.30 : 199,949.07 = 39,782.02 : x
  2. Step 2: Convert to fraction form
    133,276.30/199,949.07 = 39,782.02/x
  3. Step 3: Cross multiply
    133,276.30x = 199,949.07 × 39,782.02
  4. Step 4: Simplify right side
    133,276.30x = 7,954,377,901.72
  5. Step 5: Solve for x
    x = 7,954,377,901.72/133,276.30
  6. Step 6: Final answer
    x = 59,683.36

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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.