Home / 115,226.30-172,839.22-45,056.40

Finding the Fourth Proportional to 115,226.30, 172,839.22 and 45,056.40

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Solution

The fourth proportional to 115,226.30, 172,839.22 and 45,056.40 is: 67,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,226.30 : 172,839.22 = 45,056.40 : x
  2. Step 2: Convert to fraction form
    115,226.30/172,839.22 = 45,056.40/x
  3. Step 3: Cross multiply
    115,226.30x = 172,839.22 × 45,056.40
  4. Step 4: Simplify right side
    115,226.30x = 7,787,513,032.01
  5. Step 5: Solve for x
    x = 7,787,513,032.01/115,226.30
  6. Step 6: Final answer
    x = 67,584.51

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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.