Home / 134,296.47-200,947.76-81,019.33

Finding the Fourth Proportional to 134,296.47, 200,947.76 and 81,019.33

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Solution

The fourth proportional to 134,296.47, 200,947.76 and 81,019.33 is: 121,229.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,296.47 : 200,947.76 = 81,019.33 : x
  2. Step 2: Convert to fraction form
    134,296.47/200,947.76 = 81,019.33/x
  3. Step 3: Cross multiply
    134,296.47x = 200,947.76 × 81,019.33
  4. Step 4: Simplify right side
    134,296.47x = 16,280,652,880.20
  5. Step 5: Solve for x
    x = 16,280,652,880.20/134,296.47
  6. Step 6: Final answer
    x = 121,229.19

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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.