Home / 135,692.10-187,277.52-75,282.21

Finding the Fourth Proportional to 135,692.10, 187,277.52 and 75,282.21

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Solution

The fourth proportional to 135,692.10, 187,277.52 and 75,282.21 is: 103,901.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,692.10 : 187,277.52 = 75,282.21 : x
  2. Step 2: Convert to fraction form
    135,692.10/187,277.52 = 75,282.21/x
  3. Step 3: Cross multiply
    135,692.10x = 187,277.52 × 75,282.21
  4. Step 4: Simplify right side
    135,692.10x = 14,098,665,588.92
  5. Step 5: Solve for x
    x = 14,098,665,588.92/135,692.10
  6. Step 6: Final answer
    x = 103,901.89

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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.