Home / 145,682.13-218,523.20-52,253.49

Finding the Fourth Proportional to 145,682.13, 218,523.20 and 52,253.49

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Solution

The fourth proportional to 145,682.13, 218,523.20 and 52,253.49 is: 78,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,682.13 : 218,523.20 = 52,253.49 : x
  2. Step 2: Convert to fraction form
    145,682.13/218,523.20 = 52,253.49/x
  3. Step 3: Cross multiply
    145,682.13x = 218,523.20 × 52,253.49
  4. Step 4: Simplify right side
    145,682.13x = 11,418,599,584.70
  5. Step 5: Solve for x
    x = 11,418,599,584.70/145,682.13
  6. Step 6: Final answer
    x = 78,380.24

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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.