Home / 254,370.42-351,035.28-139,659.64

Finding the Fourth Proportional to 254,370.42, 351,035.28 and 139,659.64

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Solution

The fourth proportional to 254,370.42, 351,035.28 and 139,659.64 is: 192,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,370.42 : 351,035.28 = 139,659.64 : x
  2. Step 2: Convert to fraction form
    254,370.42/351,035.28 = 139,659.64/x
  3. Step 3: Cross multiply
    254,370.42x = 351,035.28 × 139,659.64
  4. Step 4: Simplify right side
    254,370.42x = 49,025,460,832.10
  5. Step 5: Solve for x
    x = 49,025,460,832.10/254,370.42
  6. Step 6: Final answer
    x = 192,732.55

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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.