Home / 72,274.43-108,337.15-30,179.01

Finding the Fourth Proportional to 72,274.43, 108,337.15 and 30,179.01

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Solution

The fourth proportional to 72,274.43, 108,337.15 and 30,179.01 is: 45,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,274.43 : 108,337.15 = 30,179.01 : x
  2. Step 2: Convert to fraction form
    72,274.43/108,337.15 = 30,179.01/x
  3. Step 3: Cross multiply
    72,274.43x = 108,337.15 × 30,179.01
  4. Step 4: Simplify right side
    72,274.43x = 3,269,507,293.36
  5. Step 5: Solve for x
    x = 3,269,507,293.36/72,274.43
  6. Step 6: Final answer
    x = 45,237.40

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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.