Home / 254,868.98-351,720.56-140,155.02

Finding the Fourth Proportional to 254,868.98, 351,720.56 and 140,155.02

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Solution

The fourth proportional to 254,868.98, 351,720.56 and 140,155.02 is: 193,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,868.98 : 351,720.56 = 140,155.02 : x
  2. Step 2: Convert to fraction form
    254,868.98/351,720.56 = 140,155.02/x
  3. Step 3: Cross multiply
    254,868.98x = 351,720.56 × 140,155.02
  4. Step 4: Simplify right side
    254,868.98x = 49,295,402,121.21
  5. Step 5: Solve for x
    x = 49,295,402,121.21/254,868.98
  6. Step 6: Final answer
    x = 193,414.68

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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.