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Finding the Fourth Proportional to 159,692.71, 220,320.28 and 102,363.64

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Solution

The fourth proportional to 159,692.71, 220,320.28 and 102,363.64 is: 141,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,692.71 : 220,320.28 = 102,363.64 : x
  2. Step 2: Convert to fraction form
    159,692.71/220,320.28 = 102,363.64/x
  3. Step 3: Cross multiply
    159,692.71x = 220,320.28 × 102,363.64
  4. Step 4: Simplify right side
    159,692.71x = 22,552,785,826.62
  5. Step 5: Solve for x
    x = 22,552,785,826.62/159,692.71
  6. Step 6: Final answer
    x = 141,226.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.