Home / 185,389.92-278,085.24-74,556

Finding the Fourth Proportional to 185,389.92, 278,085.24 and 74,556

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Solution

The fourth proportional to 185,389.92, 278,085.24 and 74,556 is: 111,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,389.92 : 278,085.24 = 74,556 : x
  2. Step 2: Convert to fraction form
    185,389.92/278,085.24 = 74,556/x
  3. Step 3: Cross multiply
    185,389.92x = 278,085.24 × 74,556
  4. Step 4: Simplify right side
    185,389.92x = 20,732,923,153.44
  5. Step 5: Solve for x
    x = 20,732,923,153.44/185,389.92
  6. Step 6: Final answer
    x = 111,834.14

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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.