Home / 243,710.53-365,430-75,183.04

Finding the Fourth Proportional to 243,710.53, 365,430 and 75,183.04

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Solution

The fourth proportional to 243,710.53, 365,430 and 75,183.04 is: 112,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,710.53 : 365,430 = 75,183.04 : x
  2. Step 2: Convert to fraction form
    243,710.53/365,430 = 75,183.04/x
  3. Step 3: Cross multiply
    243,710.53x = 365,430 × 75,183.04
  4. Step 4: Simplify right side
    243,710.53x = 27,474,138,307.20
  5. Step 5: Solve for x
    x = 27,474,138,307.20/243,710.53
  6. Step 6: Final answer
    x = 112,732.67

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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.