Home / 252,792.04-378,756.48-139,035.07

Finding the Fourth Proportional to 252,792.04, 378,756.48 and 139,035.07

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Solution

The fourth proportional to 252,792.04, 378,756.48 and 139,035.07 is: 208,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,792.04 : 378,756.48 = 139,035.07 : x
  2. Step 2: Convert to fraction form
    252,792.04/378,756.48 = 139,035.07/x
  3. Step 3: Cross multiply
    252,792.04x = 378,756.48 × 139,035.07
  4. Step 4: Simplify right side
    252,792.04x = 52,660,433,014.58
  5. Step 5: Solve for x
    x = 52,660,433,014.58/252,792.04
  6. Step 6: Final answer
    x = 208,315.23

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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.