Home / 123,943.10-185,919.05-39,692.32

Finding the Fourth Proportional to 123,943.10, 185,919.05 and 39,692.32

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Solution

The fourth proportional to 123,943.10, 185,919.05 and 39,692.32 is: 59,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,943.10 : 185,919.05 = 39,692.32 : x
  2. Step 2: Convert to fraction form
    123,943.10/185,919.05 = 39,692.32/x
  3. Step 3: Cross multiply
    123,943.10x = 185,919.05 × 39,692.32
  4. Step 4: Simplify right side
    123,943.10x = 7,379,558,426.70
  5. Step 5: Solve for x
    x = 7,379,558,426.70/123,943.10
  6. Step 6: Final answer
    x = 59,539.89

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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.