Home / 252,919.18-349,035.51-139,749.22

Finding the Fourth Proportional to 252,919.18, 349,035.51 and 139,749.22

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Solution

The fourth proportional to 252,919.18, 349,035.51 and 139,749.22 is: 192,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,919.18 : 349,035.51 = 139,749.22 : x
  2. Step 2: Convert to fraction form
    252,919.18/349,035.51 = 139,749.22/x
  3. Step 3: Cross multiply
    252,919.18x = 349,035.51 × 139,749.22
  4. Step 4: Simplify right side
    252,919.18x = 48,777,440,274.80
  5. Step 5: Solve for x
    x = 48,777,440,274.80/252,919.18
  6. Step 6: Final answer
    x = 192,857.81

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1.5x scale

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.