Home / 90,692.75-136,017.24-28,363.25

Finding the Fourth Proportional to 90,692.75, 136,017.24 and 28,363.25

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Solution

The fourth proportional to 90,692.75, 136,017.24 and 28,363.25 is: 42,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,692.75 : 136,017.24 = 28,363.25 : x
  2. Step 2: Convert to fraction form
    90,692.75/136,017.24 = 28,363.25/x
  3. Step 3: Cross multiply
    90,692.75x = 136,017.24 × 28,363.25
  4. Step 4: Simplify right side
    90,692.75x = 3,857,890,302.34
  5. Step 5: Solve for x
    x = 3,857,890,302.34/90,692.75
  6. Step 6: Final answer
    x = 42,538.03

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1.5x scale

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.