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Finding the Fourth Proportional to 182,153.70, 273,230.55 and 103,421.70

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Solution

The fourth proportional to 182,153.70, 273,230.55 and 103,421.70 is: 155,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,153.70 : 273,230.55 = 103,421.70 : x
  2. Step 2: Convert to fraction form
    182,153.70/273,230.55 = 103,421.70/x
  3. Step 3: Cross multiply
    182,153.70x = 273,230.55 × 103,421.70
  4. Step 4: Simplify right side
    182,153.70x = 28,257,967,972.94
  5. Step 5: Solve for x
    x = 28,257,967,972.94/182,153.70
  6. Step 6: Final answer
    x = 155,132.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.