Home / 254,611.06-351,364.26-139,899

Finding the Fourth Proportional to 254,611.06, 351,364.26 and 139,899

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Solution

The fourth proportional to 254,611.06, 351,364.26 and 139,899 is: 193,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,611.06 : 351,364.26 = 139,899 : x
  2. Step 2: Convert to fraction form
    254,611.06/351,364.26 = 139,899/x
  3. Step 3: Cross multiply
    254,611.06x = 351,364.26 × 139,899
  4. Step 4: Simplify right side
    254,611.06x = 49,155,508,609.74
  5. Step 5: Solve for x
    x = 49,155,508,609.74/254,611.06
  6. Step 6: Final answer
    x = 193,061.17

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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.