Home / 99,692.10-149,535.72-40,513.10

Finding the Fourth Proportional to 99,692.10, 149,535.72 and 40,513.10

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Solution

The fourth proportional to 99,692.10, 149,535.72 and 40,513.10 is: 60,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,692.10 : 149,535.72 = 40,513.10 : x
  2. Step 2: Convert to fraction form
    99,692.10/149,535.72 = 40,513.10/x
  3. Step 3: Cross multiply
    99,692.10x = 149,535.72 × 40,513.10
  4. Step 4: Simplify right side
    99,692.10x = 6,058,154,830.25
  5. Step 5: Solve for x
    x = 6,058,154,830.25/99,692.10
  6. Step 6: Final answer
    x = 60,768.65

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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.