Home / 254,543.50-351,270.03-141,376.78

Finding the Fourth Proportional to 254,543.50, 351,270.03 and 141,376.78

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Solution

The fourth proportional to 254,543.50, 351,270.03 and 141,376.78 is: 195,099.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,543.50 : 351,270.03 = 141,376.78 : x
  2. Step 2: Convert to fraction form
    254,543.50/351,270.03 = 141,376.78/x
  3. Step 3: Cross multiply
    254,543.50x = 351,270.03 × 141,376.78
  4. Step 4: Simplify right side
    254,543.50x = 49,661,425,751.90
  5. Step 5: Solve for x
    x = 49,661,425,751.90/254,543.50
  6. Step 6: Final answer
    x = 195,099.96

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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.