Home / 254,607.20-351,358.02-139,893.18

Finding the Fourth Proportional to 254,607.20, 351,358.02 and 139,893.18

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Solution

The fourth proportional to 254,607.20, 351,358.02 and 139,893.18 is: 193,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,607.20 : 351,358.02 = 139,893.18 : x
  2. Step 2: Convert to fraction form
    254,607.20/351,358.02 = 139,893.18/x
  3. Step 3: Cross multiply
    254,607.20x = 351,358.02 × 139,893.18
  4. Step 4: Simplify right side
    254,607.20x = 49,152,590,736.30
  5. Step 5: Solve for x
    x = 49,152,590,736.30/254,607.20
  6. Step 6: Final answer
    x = 193,052.63

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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.