Home / 254,859.45-351,715.05-140,146.79

Finding the Fourth Proportional to 254,859.45, 351,715.05 and 140,146.79

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Solution

The fourth proportional to 254,859.45, 351,715.05 and 140,146.79 is: 193,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,859.45 : 351,715.05 = 140,146.79 : x
  2. Step 2: Convert to fraction form
    254,859.45/351,715.05 = 140,146.79/x
  3. Step 3: Cross multiply
    254,859.45x = 351,715.05 × 140,146.79
  4. Step 4: Simplify right side
    254,859.45x = 49,291,733,493.61
  5. Step 5: Solve for x
    x = 49,291,733,493.61/254,859.45
  6. Step 6: Final answer
    x = 193,407.52

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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.