Home / 254,855.16-351,700.36-140,135.72

Finding the Fourth Proportional to 254,855.16, 351,700.36 and 140,135.72

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Solution

The fourth proportional to 254,855.16, 351,700.36 and 140,135.72 is: 193,387.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,855.16 : 351,700.36 = 140,135.72 : x
  2. Step 2: Convert to fraction form
    254,855.16/351,700.36 = 140,135.72/x
  3. Step 3: Cross multiply
    254,855.16x = 351,700.36 × 140,135.72
  4. Step 4: Simplify right side
    254,855.16x = 49,285,783,172.86
  5. Step 5: Solve for x
    x = 49,285,783,172.86/254,855.16
  6. Step 6: Final answer
    x = 193,387.43

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1.5x scale

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.