Home / 193,692.24-289,913.40-100,069.20

Finding the Fourth Proportional to 193,692.24, 289,913.40 and 100,069.20

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Solution

The fourth proportional to 193,692.24, 289,913.40 and 100,069.20 is: 149,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,692.24 : 289,913.40 = 100,069.20 : x
  2. Step 2: Convert to fraction form
    193,692.24/289,913.40 = 100,069.20/x
  3. Step 3: Cross multiply
    193,692.24x = 289,913.40 × 100,069.20
  4. Step 4: Simplify right side
    193,692.24x = 29,011,402,007.28
  5. Step 5: Solve for x
    x = 29,011,402,007.28/193,692.24
  6. Step 6: Final answer
    x = 149,780.92

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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.