Home / 136,122.78-187,849.59-75,692.13

Finding the Fourth Proportional to 136,122.78, 187,849.59 and 75,692.13

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Solution

The fourth proportional to 136,122.78, 187,849.59 and 75,692.13 is: 104,455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,122.78 : 187,849.59 = 75,692.13 : x
  2. Step 2: Convert to fraction form
    136,122.78/187,849.59 = 75,692.13/x
  3. Step 3: Cross multiply
    136,122.78x = 187,849.59 × 75,692.13
  4. Step 4: Simplify right side
    136,122.78x = 14,218,735,586.73
  5. Step 5: Solve for x
    x = 14,218,735,586.73/136,122.78
  6. Step 6: Final answer
    x = 104,455.22

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1.5x scale

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.