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Finding the Fourth Proportional to 123,679, 185,519.02 and 52,583.32

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Solution

The fourth proportional to 123,679, 185,519.02 and 52,583.32 is: 78,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,679 : 185,519.02 = 52,583.32 : x
  2. Step 2: Convert to fraction form
    123,679/185,519.02 = 52,583.32/x
  3. Step 3: Cross multiply
    123,679x = 185,519.02 × 52,583.32
  4. Step 4: Simplify right side
    123,679x = 9,755,205,994.75
  5. Step 5: Solve for x
    x = 9,755,205,994.75/123,679
  6. Step 6: Final answer
    x = 78,875.20

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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.