Home / 152,692.47-228,889.78-72,708.95

Finding the Fourth Proportional to 152,692.47, 228,889.78 and 72,708.95

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Solution

The fourth proportional to 152,692.47, 228,889.78 and 72,708.95 is: 108,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,692.47 : 228,889.78 = 72,708.95 : x
  2. Step 2: Convert to fraction form
    152,692.47/228,889.78 = 72,708.95/x
  3. Step 3: Cross multiply
    152,692.47x = 228,889.78 × 72,708.95
  4. Step 4: Simplify right side
    152,692.47x = 16,642,335,959.98
  5. Step 5: Solve for x
    x = 16,642,335,959.98/152,692.47
  6. Step 6: Final answer
    x = 108,992.51

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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.