Home / 254,830.37-351,670.23-140,113.71

Finding the Fourth Proportional to 254,830.37, 351,670.23 and 140,113.71

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Solution

The fourth proportional to 254,830.37, 351,670.23 and 140,113.71 is: 193,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,830.37 : 351,670.23 = 140,113.71 : x
  2. Step 2: Convert to fraction form
    254,830.37/351,670.23 = 140,113.71/x
  3. Step 3: Cross multiply
    254,830.37x = 351,670.23 × 140,113.71
  4. Step 4: Simplify right side
    254,830.37x = 49,273,820,621.85
  5. Step 5: Solve for x
    x = 49,273,820,621.85/254,830.37
  6. Step 6: Final answer
    x = 193,359.30

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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.