Home / 254,861.33-351,717.65-140,148.72

Finding the Fourth Proportional to 254,861.33, 351,717.65 and 140,148.72

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Solution

The fourth proportional to 254,861.33, 351,717.65 and 140,148.72 is: 193,410.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,861.33 : 351,717.65 = 140,148.72 : x
  2. Step 2: Convert to fraction form
    254,861.33/351,717.65 = 140,148.72/x
  3. Step 3: Cross multiply
    254,861.33x = 351,717.65 × 140,148.72
  4. Step 4: Simplify right side
    254,861.33x = 49,292,777,748.16
  5. Step 5: Solve for x
    x = 49,292,777,748.16/254,861.33
  6. Step 6: Final answer
    x = 193,410.19

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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.