Home / 177,474.62-245,174.06-153,559.78

Finding the Fourth Proportional to 177,474.62, 245,174.06 and 153,559.78

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Solution

The fourth proportional to 177,474.62, 245,174.06 and 153,559.78 is: 212,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,474.62 : 245,174.06 = 153,559.78 : x
  2. Step 2: Convert to fraction form
    177,474.62/245,174.06 = 153,559.78/x
  3. Step 3: Cross multiply
    177,474.62x = 245,174.06 × 153,559.78
  4. Step 4: Simplify right side
    177,474.62x = 37,648,874,715.31
  5. Step 5: Solve for x
    x = 37,648,874,715.31/177,474.62
  6. Step 6: Final answer
    x = 212,136.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.