Home / 254,796.12-351,623.16-140,079.60

Finding the Fourth Proportional to 254,796.12, 351,623.16 and 140,079.60

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Solution

The fourth proportional to 254,796.12, 351,623.16 and 140,079.60 is: 193,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,796.12 : 351,623.16 = 140,079.60 : x
  2. Step 2: Convert to fraction form
    254,796.12/351,623.16 = 140,079.60/x
  3. Step 3: Cross multiply
    254,796.12x = 351,623.16 × 140,079.60
  4. Step 4: Simplify right side
    254,796.12x = 49,255,231,603.54
  5. Step 5: Solve for x
    x = 49,255,231,603.54/254,796.12
  6. Step 6: Final answer
    x = 193,312.33

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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.