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Finding the Fourth Proportional to 183,729.60, 275,603.04 and 65,401.92

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Solution

The fourth proportional to 183,729.60, 275,603.04 and 65,401.92 is: 98,105.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,729.60 : 275,603.04 = 65,401.92 : x
  2. Step 2: Convert to fraction form
    183,729.60/275,603.04 = 65,401.92/x
  3. Step 3: Cross multiply
    183,729.60x = 275,603.04 × 65,401.92
  4. Step 4: Simplify right side
    183,729.60x = 18,024,967,973.84
  5. Step 5: Solve for x
    x = 18,024,967,973.84/183,729.60
  6. Step 6: Final answer
    x = 98,105.96

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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.