Home / 254,713.57-351,512.63-139,990.14

Finding the Fourth Proportional to 254,713.57, 351,512.63 and 139,990.14

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Solution

The fourth proportional to 254,713.57, 351,512.63 and 139,990.14 is: 193,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,713.57 : 351,512.63 = 139,990.14 : x
  2. Step 2: Convert to fraction form
    254,713.57/351,512.63 = 139,990.14/x
  3. Step 3: Cross multiply
    254,713.57x = 351,512.63 × 139,990.14
  4. Step 4: Simplify right side
    254,713.57x = 49,208,302,285.47
  5. Step 5: Solve for x
    x = 49,208,302,285.47/254,713.57
  6. Step 6: Final answer
    x = 193,190.74

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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.