Home / 254,811.78-351,631.28-140,089.59

Finding the Fourth Proportional to 254,811.78, 351,631.28 and 140,089.59

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Solution

The fourth proportional to 254,811.78, 351,631.28 and 140,089.59 is: 193,318.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,811.78 : 351,631.28 = 140,089.59 : x
  2. Step 2: Convert to fraction form
    254,811.78/351,631.28 = 140,089.59/x
  3. Step 3: Cross multiply
    254,811.78x = 351,631.28 × 140,089.59
  4. Step 4: Simplify right side
    254,811.78x = 49,259,882,196.60
  5. Step 5: Solve for x
    x = 49,259,882,196.60/254,811.78
  6. Step 6: Final answer
    x = 193,318.70

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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.