Home / 152,530.20-228,860.10-73,603.80

Finding the Fourth Proportional to 152,530.20, 228,860.10 and 73,603.80

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Solution

The fourth proportional to 152,530.20, 228,860.10 and 73,603.80 is: 110,436.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,530.20 : 228,860.10 = 73,603.80 : x
  2. Step 2: Convert to fraction form
    152,530.20/228,860.10 = 73,603.80/x
  3. Step 3: Cross multiply
    152,530.20x = 228,860.10 × 73,603.80
  4. Step 4: Simplify right side
    152,530.20x = 16,844,973,028.38
  5. Step 5: Solve for x
    x = 16,844,973,028.38/152,530.20
  6. Step 6: Final answer
    x = 110,436.97

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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.