Home / 454,944.09-682,391.55-139,401.93

Finding the Fourth Proportional to 454,944.09, 682,391.55 and 139,401.93

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Solution

The fourth proportional to 454,944.09, 682,391.55 and 139,401.93 is: 209,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,944.09 : 682,391.55 = 139,401.93 : x
  2. Step 2: Convert to fraction form
    454,944.09/682,391.55 = 139,401.93/x
  3. Step 3: Cross multiply
    454,944.09x = 682,391.55 × 139,401.93
  4. Step 4: Simplify right side
    454,944.09x = 95,126,699,085.69
  5. Step 5: Solve for x
    x = 95,126,699,085.69/454,944.09
  6. Step 6: Final answer
    x = 209,095.36

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1.5x scale

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.