Home / 254,440.28-351,128.55-138,153.93

Finding the Fourth Proportional to 254,440.28, 351,128.55 and 138,153.93

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Solution

The fourth proportional to 254,440.28, 351,128.55 and 138,153.93 is: 190,652.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,440.28 : 351,128.55 = 138,153.93 : x
  2. Step 2: Convert to fraction form
    254,440.28/351,128.55 = 138,153.93/x
  3. Step 3: Cross multiply
    254,440.28x = 351,128.55 × 138,153.93
  4. Step 4: Simplify right side
    254,440.28x = 48,509,786,843.98
  5. Step 5: Solve for x
    x = 48,509,786,843.98/254,440.28
  6. Step 6: Final answer
    x = 190,652.94

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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.