Home / 254,878.16-351,740.70-140,161.50

Finding the Fourth Proportional to 254,878.16, 351,740.70 and 140,161.50

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Solution

The fourth proportional to 254,878.16, 351,740.70 and 140,161.50 is: 193,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,878.16 : 351,740.70 = 140,161.50 : x
  2. Step 2: Convert to fraction form
    254,878.16/351,740.70 = 140,161.50/x
  3. Step 3: Cross multiply
    254,878.16x = 351,740.70 × 140,161.50
  4. Step 4: Simplify right side
    254,878.16x = 49,300,504,123.05
  5. Step 5: Solve for x
    x = 49,300,504,123.05/254,878.16
  6. Step 6: Final answer
    x = 193,427.73

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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.