Home / 254,845.40-351,695.68-140,132.77

Finding the Fourth Proportional to 254,845.40, 351,695.68 and 140,132.77

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Solution

The fourth proportional to 254,845.40, 351,695.68 and 140,132.77 is: 193,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,845.40 : 351,695.68 = 140,132.77 : x
  2. Step 2: Convert to fraction form
    254,845.40/351,695.68 = 140,132.77/x
  3. Step 3: Cross multiply
    254,845.40x = 351,695.68 × 140,132.77
  4. Step 4: Simplify right side
    254,845.40x = 49,284,088,605.86
  5. Step 5: Solve for x
    x = 49,284,088,605.86/254,845.40
  6. Step 6: Final answer
    x = 193,388.19

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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.